1604792725 has 24 divisors (see below), whose sum is σ = 2099488640. Its totient is φ = 1213470720.

The previous prime is 1604792713. The next prime is 1604792753. The reversal of 1604792725 is 5272974061.

It is not a de Polignac number, because 1604792725 - 2²⁵ = 1571238293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216277 + ... + 223573.

Almost surely, 2^1604792725 is an apocalyptic number.

It is an amenable number.

1604792725 is a deficient number, since it is larger than the sum of its proper divisors (494695915).

1604792725 is a wasteful number, since it uses less digits than its factorization.

1604792725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7789 (or 7784 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 1604792725 is about 40059.8642658709. The cubic root of 1604792725 is about 1170.7737655669.

The spelling of 1604792725 in words is "one billion, six hundred four million, seven hundred ninety-two thousand, seven hundred twenty-five".