725556108 has 24 divisors (see below), whose sum is σ = 1728986112. Its totient is φ = 236706064.

The previous prime is 725556103. The next prime is 725556109. The reversal of 725556108 is 801655527.

It is a super-2 number, since 2×725556108² = 1052863331712215328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725556103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642660 + ... + 643787.

It is an arithmetic number, because the mean of its divisors is an integer number (72041088).

Almost surely, 2^725556108 is an apocalyptic number.

It is an amenable number.

725556108 is an abundant number, since it is smaller than the sum of its proper divisors (1003430004).

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

725556108 is a wasteful number, since it uses less digits than its factorization.

725556108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286501 (or 1286499 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 725556108 is about 26936.1487224882. The cubic root of 725556108 is about 898.5805228761.

The spelling of 725556108 in words is "seven hundred twenty-five million, five hundred fifty-six thousand, one hundred eight".