725752336 has 20 divisors (see below), whose sum is σ = 1444150252. Its totient is φ = 353068416.

The previous prime is 725752309. The next prime is 725752337. The reversal of 725752336 is 633257527.

It can be written as a sum of positive squares in 2 ways, for example, as 701190400 + 24561936 = 26480^2 + 4956^2 .

It is not an unprimeable number, because it can be changed into a prime (725752337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612375 + ... + 613558.

Almost surely, 2^725752336 is an apocalyptic number.

It is an amenable number.

725752336 is a deficient number, since it is larger than the sum of its proper divisors (718397916).

725752336 is a wasteful number, since it uses less digits than its factorization.

725752336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225978 (or 1225972 counting only the distinct ones).

The product of its digits is 264600, while the sum is 40.

The square root of 725752336 is about 26939.7909420248. The cubic root of 725752336 is about 898.6615231660.

The spelling of 725752336 in words is "seven hundred twenty-five million, seven hundred fifty-two thousand, three hundred thirty-six".