725605765227 has 120 divisors (see below), whose sum is σ = 1320415531776. Its totient is φ = 395188893792.

The previous prime is 725605765187. The next prime is 725605765243. The reversal of 725605765227 is 722567506527.

725605765227 is a `hidden beast` number, since 7 + 2 + 5 + 60 + 57 + 6 + 522 + 7 = 666.

725605765227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 725605765227 - 2⁷ = 725605765099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725605765327) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 25820178 + ... + 25848264.

Almost surely, 2^725605765227 is an apocalyptic number.

725605765227 is a deficient number, since it is larger than the sum of its proper divisors (594809766549).

725605765227 is a wasteful number, since it uses less digits than its factorization.

725605765227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419 (or 28403 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 54.

The spelling of 725605765227 in words is "seven hundred twenty-five billion, six hundred five million, seven hundred sixty-five thousand, two hundred twenty-seven".