725122727 has 12 divisors (see below), whose sum is σ = 844947936. Its totient is φ = 620474400.

The previous prime is 725122703. The next prime is 725122747. The reversal of 725122727 is 727221527.

It is not a de Polignac number, because 725122727 - 2⁶ = 725122663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725122747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17138 + ... + 41760.

It is an arithmetic number, because the mean of its divisors is an integer number (70412328).

Almost surely, 2^725122727 is an apocalyptic number.

725122727 is a deficient number, since it is larger than the sum of its proper divisors (119825209).

725122727 is a wasteful number, since it uses less digits than its factorization.

725122727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25238 (or 25231 counting only the distinct ones).

The product of its digits is 27440, while the sum is 35.

The square root of 725122727 is about 26928.1029224117. The cubic root of 725122727 is about 898.4015772447.

The spelling of 725122727 in words is "seven hundred twenty-five million, one hundred twenty-two thousand, seven hundred twenty-seven".