725493252 has 72 divisors (see below), whose sum is σ = 1891434496. Its totient is φ = 216216000.

The previous prime is 725493247. The next prime is 725493281. The reversal of 725493252 is 252394527.

It is a self number, because there is not a number n which added to its sum of digits gives 725493252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84477 + ... + 92667.

Almost surely, 2^725493252 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 725493252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945717248).

725493252 is an abundant number, since it is smaller than the sum of its proper divisors (1165941244).

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

725493252 is a wasteful number, since it uses less digits than its factorization.

725493252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8281 (or 8268 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 725493252 is about 26934.9819379928. The cubic root of 725493252 is about 898.5545736729.

The spelling of 725493252 in words is "seven hundred twenty-five million, four hundred ninety-three thousand, two hundred fifty-two".