725405375 has 16 divisors (see below), whose sum is σ = 906253920. Its totient is φ = 579716800.

The previous prime is 725405371. The next prime is 725405377. The reversal of 725405375 is 573504527.

It is not a de Polignac number, because 725405375 - 2² = 725405371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725405371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145931 + ... + 150819.

It is an arithmetic number, because the mean of its divisors is an integer number (56640870).

Almost surely, 2^725405375 is an apocalyptic number.

725405375 is a deficient number, since it is larger than the sum of its proper divisors (180848545).

725405375 is a wasteful number, since it uses less digits than its factorization.

725405375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091 (or 6081 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 38.

The square root of 725405375 is about 26933.3506084928. The cubic root of 725405375 is about 898.5182923942.

The spelling of 725405375 in words is "seven hundred twenty-five million, four hundred five thousand, three hundred seventy-five".