74454456 has 16 divisors (see below), whose sum is σ = 186136200. Its totient is φ = 24818144.

The previous prime is 74454449. The next prime is 74454461. The reversal of 74454456 is 65445447.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1551111 + ... + 1551158.

Almost surely, 2^74454456 is an apocalyptic number.

It is an amenable number.

74454456 is an abundant number, since it is smaller than the sum of its proper divisors (111681744).

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

74454456 is a wasteful number, since it uses less digits than its factorization.

74454456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102278 (or 3102274 counting only the distinct ones).

The product of its digits is 268800, while the sum is 39.

The square root of 74454456 is about 8628.6995543940. The cubic root of 74454456 is about 420.6913330752.

Subtracting from 74454456 its reverse (65445447), we obtain a palindrome (9009009).

The spelling of 74454456 in words is "seventy-four million, four hundred fifty-four thousand, four hundred fifty-six".