52736728 has 16 divisors (see below), whose sum is σ = 107870760. Its totient is φ = 23971200.

The previous prime is 52736711. The next prime is 52736731. The reversal of 52736728 is 82763725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299553 + ... + 299728.

Almost surely, 2^52736728 is an apocalyptic number.

It is an amenable number.

52736728 is an abundant number, since it is smaller than the sum of its proper divisors (55134032).

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

52736728 is a wasteful number, since it uses less digits than its factorization.

52736728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599298 (or 599294 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 52736728 is about 7262.0057835284. The cubic root of 52736728 is about 375.0055773985.

The spelling of 52736728 in words is "fifty-two million, seven hundred thirty-six thousand, seven hundred twenty-eight".