52724736 has 88 divisors (see below), whose sum is σ = 156227040. Its totient is φ = 17565696.

The previous prime is 52724719. The next prime is 52724747. The reversal of 52724736 is 63742725.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52724736.

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, 26695 + ... + 28601.

Almost surely, 2^52724736 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 52724736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78113520).

52724736 is an abundant number, since it is smaller than the sum of its proper divisors (103502304).

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

52724736 is a wasteful number, since it uses less digits than its factorization.

52724736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1912 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 52724736 is about 7261.1800693827. The cubic root of 52724736 is about 374.9771506078.

The spelling of 52724736 in words is "fifty-two million, seven hundred twenty-four thousand, seven hundred thirty-six".