52722732 has 24 divisors (see below), whose sum is σ = 123382000. Its totient is φ = 17522496.

The previous prime is 52722731. The next prime is 52722751. The reversal of 52722732 is 23722725.

It is a super-3 number, since 3×52722732³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52722732.

It is not an unprimeable number, because it can be changed into a prime (52722731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107 + ... + 10482.

Almost surely, 2^52722732 is an apocalyptic number.

It is an amenable number.

52722732 is an abundant number, since it is smaller than the sum of its proper divisors (70659268).

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

52722732 is a wasteful number, since it uses less digits than its factorization.

52722732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945 (or 12943 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 52722732 is about 7261.0420739726. The cubic root of 52722732 is about 374.9723997464.

The spelling of 52722732 in words is "fifty-two million, seven hundred twenty-two thousand, seven hundred thirty-two".