725283868 has 12 divisors (see below), whose sum is σ = 1275691032. Its totient is φ = 360800720.

The previous prime is 725283829. The next prime is 725283877. The reversal of 725283868 is 868382527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459418 + ... + 460993.

It is an arithmetic number, because the mean of its divisors is an integer number (106307586).

Almost surely, 2^725283868 is an apocalyptic number.

It is an amenable number.

725283868 is a deficient number, since it is larger than the sum of its proper divisors (550407164).

725283868 is a wasteful number, since it uses less digits than its factorization.

725283868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920612 (or 920610 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 725283868 is about 26931.0948162157. The cubic root of 725283868 is about 898.4681216611.

The spelling of 725283868 in words is "seven hundred twenty-five million, two hundred eighty-three thousand, eight hundred sixty-eight".