74845456 has 40 divisors (see below), whose sum is σ = 169594304. Its totient is φ = 31328640.

The previous prime is 74845423. The next prime is 74845457. The reversal of 74845456 is 65454847.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (74845457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2955 + ... + 12586.

Almost surely, 2^74845456 is an apocalyptic number.

It is an amenable number.

74845456 is an abundant number, since it is smaller than the sum of its proper divisors (94748848).

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

74845456 is a wasteful number, since it uses less digits than its factorization.

74845456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15599 (or 15593 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 74845456 is about 8651.3268346537. The cubic root of 74845456 is about 421.4264724482.

The spelling of 74845456 in words is "seventy-four million, eight hundred forty-five thousand, four hundred fifty-six".