45828728 has 32 divisors (see below), whose sum is σ = 94176000. Its totient is φ = 20734560.

The previous prime is 45828691. The next prime is 45828749. The reversal of 45828728 is 82782854.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19943 + ... + 22121.

It is an arithmetic number, because the mean of its divisors is an integer number (2943000).

Almost surely, 2^45828728 is an apocalyptic number.

It is an amenable number.

45828728 is an abundant number, since it is smaller than the sum of its proper divisors (48347272).

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

45828728 is a wasteful number, since it uses less digits than its factorization.

45828728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435 (or 2431 counting only the distinct ones).

The product of its digits is 286720, while the sum is 44.

The square root of 45828728 is about 6769.6918689110. The cubic root of 45828728 is about 357.8595414580.

The spelling of 45828728 in words is "forty-five million, eight hundred twenty-eight thousand, seven hundred twenty-eight".