725802102 has 12 divisors (see below), whose sum is σ = 1572571260. Its totient is φ = 241934028.

The previous prime is 725802083. The next prime is 725802127. The reversal of 725802102 is 201208527.

725802102 is a `hidden beast` number, since 72 + 580 + 2 + 10 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20161152 + ... + 20161187.

It is an arithmetic number, because the mean of its divisors is an integer number (131047605).

Almost surely, 2^725802102 is an apocalyptic number.

725802102 is an abundant number, since it is smaller than the sum of its proper divisors (846769158).

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

725802102 is a wasteful number, since it uses less digits than its factorization.

725802102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40322347 (or 40322344 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 725802102 is about 26940.7145784962. The cubic root of 725802102 is about 898.6820635831.

It can be divided in two parts, 725802 and 102, that added together give a square (725904 = 852²).

The spelling of 725802102 in words is "seven hundred twenty-five million, eight hundred two thousand, one hundred two".