725877031 has 8 divisors (see below), whose sum is σ = 792374400. Its totient is φ = 659464440.

The previous prime is 725877017. The next prime is 725877037. The reversal of 725877031 is 130778527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 725877031 - 2⁹ = 725876519 is a prime.

It is a super-2 number, since 2×725877031² = 1053794928266749922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725877037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571 + ... + 38188.

It is an arithmetic number, because the mean of its divisors is an integer number (99046800).

Almost surely, 2^725877031 is an apocalyptic number.

725877031 is a deficient number, since it is larger than the sum of its proper divisors (66497369).

725877031 is a wasteful number, since it uses less digits than its factorization.

725877031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42389.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 725877031 is about 26942.1051701607. The cubic root of 725877031 is about 898.7129880050.

The spelling of 725877031 in words is "seven hundred twenty-five million, eight hundred seventy-seven thousand, thirty-one".