725882406 has 32 divisors (see below), whose sum is σ = 1475884800. Its totient is φ = 237973344.

The previous prime is 725882401. The next prime is 725882407. The reversal of 725882406 is 604288527.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725882401) 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, 88141 + ... + 96023.

It is an arithmetic number, because the mean of its divisors is an integer number (46121400).

Almost surely, 2^725882406 is an apocalyptic number.

725882406 is an abundant number, since it is smaller than the sum of its proper divisors (750002394).

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

725882406 is a wasteful number, since it uses less digits than its factorization.

725882406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 725882406 is about 26942.2049209043. The cubic root of 725882406 is about 898.7152062735.

The spelling of 725882406 in words is "seven hundred twenty-five million, eight hundred eighty-two thousand, four hundred six".