252720976 has 40 divisors (see below), whose sum is σ = 527431520. Its totient is φ = 116919936.

The previous prime is 252720961. The next prime is 252720977. The reversal of 252720976 is 679027252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252720977) 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, 3406 + ... + 22738.

It is an arithmetic number, because the mean of its divisors is an integer number (13185788).

Almost surely, 2^252720976 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 252720976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263715760).

252720976 is an abundant number, since it is smaller than the sum of its proper divisors (274710544).

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

252720976 is a wasteful number, since it uses less digits than its factorization.

252720976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403 (or 19397 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 252720976 is about 15897.2002566490. The cubic root of 252720976 is about 632.2377597126.

The spelling of 252720976 in words is "two hundred fifty-two million, seven hundred twenty thousand, nine hundred seventy-six".