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74447060 = 22529472731
BaseRepresentation
bin1000110111111…
…11100011010100
312012002022011112
410123333203110
5123024301220
611215354152
71562534552
oct433774324
9165068145
1074447060
11390291a6
1220b22958
1312567a1c
149c5cbd2
1568085c5
hex46ff8d4

74447060 has 48 divisors (see below), whose sum is σ = 165231360. Its totient is φ = 28129920.

The previous prime is 74447059. The next prime is 74447081. The reversal of 74447060 is 6074447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25895 + ... + 28625.

It is an arithmetic number, because the mean of its divisors is an integer number (3442320).

Almost surely, 274447060 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 74447060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82615680).

74447060 is an abundant number, since it is smaller than the sum of its proper divisors (90784300).

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

74447060 is a wasteful number, since it uses less digits than its factorization.

74447060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 74447060 is about 8628.2709739553. The cubic root of 74447060 is about 420.6774026973.

The spelling of 74447060 in words is "seventy-four million, four hundred forty-seven thousand, sixty".

Divisors: 1 2 4 5 10 20 29 47 58 94 116 145 188 235 290 470 580 940 1363 2726 2731 5452 5462 6815 10924 13630 13655 27260 27310 54620 79199 128357 158398 256714 316796 395995 513428 641785 791990 1283570 1583980 2567140 3722353 7444706 14889412 18611765 37223530 74447060