74890456 has 16 divisors (see below), whose sum is σ = 142516440. Its totient is φ = 36886080.

The previous prime is 74890447. The next prime is 74890483. The reversal of 74890456 is 65409847.

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, 69325 + ... + 70396.

Almost surely, 2^74890456 is an apocalyptic number.

It is an amenable number.

74890456 is a deficient number, since it is larger than the sum of its proper divisors (67625984).

74890456 is a wasteful number, since it uses less digits than its factorization.

74890456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139794 (or 139790 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 74890456 is about 8653.9272009880. The cubic root of 74890456 is about 421.5109148574.

It can be divided in two parts, 748 and 90456, that added together give a square (91204 = 302²).

The spelling of 74890456 in words is "seventy-four million, eight hundred ninety thousand, four hundred fifty-six".