45784728 has 48 divisors (see below), whose sum is σ = 135275400. Its totient is φ = 13873920.

The previous prime is 45784693. The next prime is 45784759. The reversal of 45784728 is 82748754.

45784728 is a `hidden beast` number, since 4 + 578 + 4 + 72 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28113 + ... + 29696.

Almost surely, 2^45784728 is an apocalyptic number.

It is an amenable number.

45784728 is an abundant number, since it is smaller than the sum of its proper divisors (89490672).

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

45784728 is a wasteful number, since it uses less digits than its factorization.

45784728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57832 (or 57825 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 45784728 is about 6766.4413098763. The cubic root of 45784728 is about 357.7449782253.

The spelling of 45784728 in words is "forty-five million, seven hundred eighty-four thousand, seven hundred twenty-eight".