74456572 has 12 divisors (see below), whose sum is σ = 134792280. Its totient is φ = 35944496.

The previous prime is 74456567. The next prime is 74456581. The reversal of 74456572 is 27565447.

It is a super-2 number, since 2×74456572² = 11087562227982368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320818 + ... + 321049.

It is an arithmetic number, because the mean of its divisors is an integer number (11232690).

Almost surely, 2^74456572 is an apocalyptic number.

It is an amenable number.

74456572 is a deficient number, since it is larger than the sum of its proper divisors (60335708).

74456572 is a wasteful number, since it uses less digits than its factorization.

74456572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641900 (or 641898 counting only the distinct ones).

The product of its digits is 235200, while the sum is 40.

The square root of 74456572 is about 8628.8221675962. The cubic root of 74456572 is about 420.6953183949.

The spelling of 74456572 in words is "seventy-four million, four hundred fifty-six thousand, five hundred seventy-two".