252747936 has 72 divisors (see below), whose sum is σ = 821437344. Its totient is φ = 72213120.

The previous prime is 252747931. The next prime is 252747947. The reversal of 252747936 is 639747252.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 252747891 and 252747900.

It is not an unprimeable number, because it can be changed into a prime (252747931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60670 + ... + 64701.

It is an arithmetic number, because the mean of its divisors is an integer number (11408852).

Almost surely, 2^252747936 is an apocalyptic number.

It is an amenable number.

252747936 is an abundant number, since it is smaller than the sum of its proper divisors (568689408).

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

252747936 is a wasteful number, since it uses less digits than its factorization.

252747936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125394 (or 125383 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 252747936 is about 15898.0481820883. The cubic root of 252747936 is about 632.2602410596.

The spelling of 252747936 in words is "two hundred fifty-two million, seven hundred forty-seven thousand, nine hundred thirty-six".