725818396 has 6 divisors (see below), whose sum is σ = 1270182200. Its totient is φ = 362909196.

The previous prime is 725818319. The next prime is 725818397. The reversal of 725818396 is 693818527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725818397) by changing a digit.

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 as a sum of consecutive naturals, namely, 90727296 + ... + 90727303.

Almost surely, 2^725818396 is an apocalyptic number.

It is an amenable number.

725818396 is a deficient number, since it is larger than the sum of its proper divisors (544363804).

725818396 is a wasteful number, since it uses less digits than its factorization.

725818396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181454603 (or 181454601 counting only the distinct ones).

The product of its digits is 725760, while the sum is 49.

The square root of 725818396 is about 26941.0169815469. The cubic root of 725818396 is about 898.6887885641.

The spelling of 725818396 in words is "seven hundred twenty-five million, eight hundred eighteen thousand, three hundred ninety-six".