725875755 has 32 divisors (see below), whose sum is σ = 1293954048. Its totient is φ = 344448000.

The previous prime is 725875729. The next prime is 725875763. The reversal of 725875755 is 557578527.

It is not a de Polignac number, because 725875755 - 2⁹ = 725875243 is a prime.

It is a super-2 number, since 2×725875755² = 1053791223393640050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 725875698 and 725875707.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 39046 + ... + 54555.

It is an arithmetic number, because the mean of its divisors is an integer number (40436064).

Almost surely, 2^725875755 is an apocalyptic number.

725875755 is a deficient number, since it is larger than the sum of its proper divisors (568078293).

725875755 is a wasteful number, since it uses less digits than its factorization.

725875755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93667.

The product of its digits is 3430000, while the sum is 51.

The square root of 725875755 is about 26942.0814897439. The cubic root of 725875755 is about 898.7124613968.

The spelling of 725875755 in words is "seven hundred twenty-five million, eight hundred seventy-five thousand, seven hundred fifty-five".