52072704 has 108 divisors (see below), whose sum is σ = 152337276. Its totient is φ = 17104896.

The previous prime is 52072697. The next prime is 52072721. The reversal of 52072704 is 40727025.

52072704 is a `hidden beast` number, since 520 + 72 + 70 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16646400 + 35426304 = 4080^2 + 5952^2 .

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, 223372 + ... + 223604.

Almost surely, 2^52072704 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 52072704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76168638).

52072704 is an abundant number, since it is smaller than the sum of its proper divisors (100264572).

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

52072704 is a wasteful number, since it uses less digits than its factorization.

52072704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 52072704 is about 7216.1419054783. The cubic root of 52072704 is about 373.4249888341.

Adding to 52072704 its reverse (40727025), we get a palindrome (92799729).

The spelling of 52072704 in words is "fifty-two million, seventy-two thousand, seven hundred four".