74893456 has 40 divisors (see below), whose sum is σ = 159239808. Its totient is φ = 33840000.

The previous prime is 74893397. The next prime is 74893477. The reversal of 74893456 is 65439847.

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 7 ways as a sum of consecutive naturals, for example, 30681 + ... + 33031.

Almost surely, 2^74893456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74893456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79619904).

74893456 is an abundant number, since it is smaller than the sum of its proper divisors (84346352).

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

74893456 is a wasteful number, since it uses less digits than its factorization.

74893456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2545 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 74893456 is about 8654.1005309622. The cubic root of 74893456 is about 421.5165431485.

The spelling of 74893456 in words is "seventy-four million, eight hundred ninety-three thousand, four hundred fifty-six".