725282636 has 12 divisors (see below), whose sum is σ = 1366878912. Its totient is φ = 334745808.

The previous prime is 725282609. The next prime is 725282639. The reversal of 725282636 is 636282527.

It is a junction number, because it is equal to n+sod(n) for n = 725282593 and 725282602.

It is not an unprimeable number, because it can be changed into a prime (725282639) 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, 6973820 + ... + 6973923.

It is an arithmetic number, because the mean of its divisors is an integer number (113906576).

Almost surely, 2^725282636 is an apocalyptic number.

It is an amenable number.

725282636 is a deficient number, since it is larger than the sum of its proper divisors (641596276).

725282636 is a wasteful number, since it uses less digits than its factorization.

725282636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947760 (or 13947758 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 725282636 is about 26931.0719430178. The cubic root of 725282636 is about 898.4676129346.

The spelling of 725282636 in words is "seven hundred twenty-five million, two hundred eighty-two thousand, six hundred thirty-six".