74472472 has 16 divisors (see below), whose sum is σ = 139878000. Its totient is φ = 37171680.

The previous prime is 74472439. The next prime is 74472499. The reversal of 74472472 is 27427447.

It is a happy number.

It is a super-2 number, since 2×74472472² = 11092298171581568, 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, 2979 + ... + 12562.

It is an arithmetic number, because the mean of its divisors is an integer number (8742375).

Almost surely, 2^74472472 is an apocalyptic number.

It is an amenable number.

74472472 is a deficient number, since it is larger than the sum of its proper divisors (65405528).

74472472 is a wasteful number, since it uses less digits than its factorization.

74472472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16146 (or 16142 counting only the distinct ones).

The product of its digits is 87808, while the sum is 37.

The square root of 74472472 is about 8629.7434492573. The cubic root of 74472472 is about 420.7252623801.

The spelling of 74472472 in words is "seventy-four million, four hundred seventy-two thousand, four hundred seventy-two".