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8072736 = 253741293
BaseRepresentation
bin11110110010111000100000
3120012010201020
4132302320200
54031311421
6445005440
7125421450
oct36627040
916163636
108072736
114614191
122853880
131898589
141101d60
15a96dc6
hex7b2e20

8072736 has 96 divisors (see below), whose sum is σ = 24893568. Its totient is φ = 2242560.

The previous prime is 8072717. The next prime is 8072737. The reversal of 8072736 is 6372708.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 8072697 and 8072706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27406 + ... + 27698.

It is an arithmetic number, because the mean of its divisors is an integer number (259308).

Almost surely, 28072736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8072736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12446784).

8072736 is an abundant number, since it is smaller than the sum of its proper divisors (16820832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8072736 is a wasteful number, since it uses less digits than its factorization.

8072736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 8072736 is about 2841.2560602663. The cubic root of 8072736 is about 200.6043055682.

The spelling of 8072736 in words is "eight million, seventy-two thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 48 56 82 84 96 112 123 164 168 224 246 287 293 328 336 492 574 586 656 672 861 879 984 1148 1172 1312 1722 1758 1968 2051 2296 2344 3444 3516 3936 4102 4592 4688 6153 6888 7032 8204 9184 9376 12013 12306 13776 14064 16408 24026 24612 27552 28128 32816 36039 48052 49224 65632 72078 84091 96104 98448 144156 168182 192208 196896 252273 288312 336364 384416 504546 576624 672728 1009092 1153248 1345456 2018184 2690912 4036368 8072736