725130646408 has 32 divisors (see below), whose sum is σ = 1558085356800. Its totient is φ = 309923482752.

The previous prime is 725130646391. The next prime is 725130646411. The reversal of 725130646408 is 804646031527.

It is a super-3 number, since 3×725130646408³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17620813 + ... + 17661916.

It is an arithmetic number, because the mean of its divisors is an integer number (48690167400).

Almost surely, 2^725130646408 is an apocalyptic number.

It is an amenable number.

725130646408 is an abundant number, since it is smaller than the sum of its proper divisors (832954710392).

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

725130646408 is a wasteful number, since it uses less digits than its factorization.

725130646408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35283109 (or 35283105 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 725130646408 in words is "seven hundred twenty-five billion, one hundred thirty million, six hundred forty-six thousand, four hundred eight".