74470660272 has 60 divisors (see below), whose sum is σ = 209565951504. Its totient is φ = 24686398080.

The previous prime is 74470660237. The next prime is 74470660283. The reversal of 74470660272 is 27206607447.

It is a super-2 number, since 2×74470660272² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1402548 + ... + 1454675.

Almost surely, 2^74470660272 is an apocalyptic number.

74470660272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

74470660272 is an abundant number, since it is smaller than the sum of its proper divisors (135095291232).

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

74470660272 is a wasteful number, since it uses less digits than its factorization.

74470660272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857418 (or 2857409 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The spelling of 74470660272 in words is "seventy-four billion, four hundred seventy million, six hundred sixty thousand, two hundred seventy-two".