725694400 has 42 divisors (see below), whose sum is σ = 1785665720. Its totient is φ = 290277120.

The previous prime is 725694331. The next prime is 725694421. The reversal of 725694400 is 4496527.

It is a self number, because there is not a number n which added to its sum of digits gives 725694400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225180 + ... + 228379.

Almost surely, 2^725694400 is an apocalyptic number.

It is an amenable number.

725694400 is an abundant number, since it is smaller than the sum of its proper divisors (1059971320).

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

725694400 is a wasteful number, since it uses less digits than its factorization.

725694400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453581 (or 453566 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 725694400 is about 26938.7156338234. The cubic root of 725694400 is about 898.6376094804.

The spelling of 725694400 in words is "seven hundred twenty-five million, six hundred ninety-four thousand, four hundred".