66792525 has 24 divisors (see below), whose sum is σ = 111838080. Its totient is φ = 35168640.

The previous prime is 66792497. The next prime is 66792547. The reversal of 66792525 is 52529766.

It is not a de Polignac number, because 66792525 - 2⁵ = 66792493 is a prime.

It is a super-2 number, since 2×66792525² = 8922482791751250, which contains 22 as substring.

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, 289 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (4659920).

Almost surely, 2^66792525 is an apocalyptic number.

It is an amenable number.

66792525 is a deficient number, since it is larger than the sum of its proper divisors (45045555).

66792525 is a wasteful number, since it uses less digits than its factorization.

66792525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365 (or 11360 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 66792525 is about 8172.6693925547. The cubic root of 66792525 is about 405.7351379018.

The spelling of 66792525 in words is "sixty-six million, seven hundred ninety-two thousand, five hundred twenty-five".