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74540704 = 257893739
BaseRepresentation
bin1000111000101…
…10011010100000
312012021001121211
410130112122200
5123040300304
611221355504
71563404560
oct434263240
9165231554
1074540704
1139092597
1220b68b94
131259b534
149c84da0
156826204
hex47166a0

74540704 has 48 divisors (see below), whose sum is σ = 169646400. Its totient is φ = 31578624.

The previous prime is 74540657. The next prime is 74540779. The reversal of 74540704 is 40704547.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18067 + ... + 21805.

It is an arithmetic number, because the mean of its divisors is an integer number (3534300).

Almost surely, 274540704 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 74540704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84823200).

74540704 is an abundant number, since it is smaller than the sum of its proper divisors (95105696).

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

74540704 is a wasteful number, since it uses less digits than its factorization.

74540704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3837 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 74540704 is about 8633.6958482448. The cubic root of 74540704 is about 420.8537132589.

The spelling of 74540704 in words is "seventy-four million, five hundred forty thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 89 112 178 224 356 623 712 1246 1424 2492 2848 3739 4984 7478 9968 14956 19936 26173 29912 52346 59824 104692 119648 209384 332771 418768 665542 837536 1331084 2329397 2662168 4658794 5324336 9317588 10648672 18635176 37270352 74540704