725670192474 has 12 divisors (see below), whose sum is σ = 1572285417066. Its totient is φ = 241890064152.

The previous prime is 725670192451. The next prime is 725670192563. The reversal of 725670192474 is 474291076527.

725670192474 is a `hidden beast` number, since 7 + 2 + 567 + 0 + 1 + 9 + 2 + 4 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 702151823025 + 23518369449 = 837945^2 + 153357^2 .

It is a super-3 number, since 3×725670192474³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725670192474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20157505329 + ... + 20157505364.

Almost surely, 2^725670192474 is an apocalyptic number.

725670192474 is an abundant number, since it is smaller than the sum of its proper divisors (846615224592).

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

725670192474 is a wasteful number, since it uses less digits than its factorization.

725670192474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40315010701 (or 40315010698 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 725670192474 in words is "seven hundred twenty-five billion, six hundred seventy million, one hundred ninety-two thousand, four hundred seventy-four".