7137345725 has 12 divisors (see below), whose sum is σ = 9316115040. Its totient is φ = 5409356400.

The previous prime is 7137345703. The next prime is 7137345751. The reversal of 7137345725 is 5275437317.

It is a happy number.

It is not a de Polignac number, because 7137345725 - 2²⁰ = 7136297149 is a prime.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 7512521 + ... + 7513470.

It is an arithmetic number, because the mean of its divisors is an integer number (776342920).

Almost surely, 2^7137345725 is an apocalyptic number.

It is an amenable number.

7137345725 is a deficient number, since it is larger than the sum of its proper divisors (2178769315).

7137345725 is a wasteful number, since it uses less digits than its factorization.

7137345725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15026020 (or 15026015 counting only the distinct ones).

The product of its digits is 617400, while the sum is 44.

The square root of 7137345725 is about 84482.8131929803. The cubic root of 7137345725 is about 1925.3613286987.

The spelling of 7137345725 in words is "seven billion, one hundred thirty-seven million, three hundred forty-five thousand, seven hundred twenty-five".