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74052216 = 23327349421
BaseRepresentation
bin1000110100111…
…11001001111000
312011100020112200
410122133021320
5122424132331
611203110200
71556301450
oct432371170
9164306480
1074052216
1138889587
1220972360
131245a0a4
149b98d60
15677b5e6
hex469f278

74052216 has 96 divisors (see below), whose sum is σ = 230412000. Its totient is φ = 21047040.

The previous prime is 74052197. The next prime is 74052217. The reversal of 74052216 is 61225047.

It is a self number, because there is not a number n which added to its sum of digits gives 74052216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74052217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175686 + ... + 176106.

It is an arithmetic number, because the mean of its divisors is an integer number (2400125).

Almost surely, 274052216 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 74052216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115206000).

74052216 is an abundant number, since it is smaller than the sum of its proper divisors (156359784).

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

74052216 is a wasteful number, since it uses less digits than its factorization.

74052216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 74052216 is about 8605.3597251945. The cubic root of 74052216 is about 419.9323700629.

The spelling of 74052216 in words is "seventy-four million, fifty-two thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 349 421 504 698 842 1047 1263 1396 1684 2094 2443 2526 2792 2947 3141 3368 3789 4188 4886 5052 5894 6282 7329 7578 8376 8841 9772 10104 11788 12564 14658 15156 17682 19544 21987 23576 25128 26523 29316 30312 35364 43974 53046 58632 70728 87948 106092 146929 175896 212184 293858 440787 587716 881574 1028503 1175432 1322361 1763148 2057006 2644722 3085509 3526296 4114012 5289444 6171018 8228024 9256527 10578888 12342036 18513054 24684072 37026108 74052216