64074725 has 24 divisors (see below), whose sum is σ = 93348192. Its totient is φ = 43012800.

The previous prime is 64074701. The next prime is 64074733. The reversal of 64074725 is 52747046.

It is not a de Polignac number, because 64074725 - 2²² = 59880421 is a prime.

It is a Duffinian number.

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, 5387 + ... + 12536.

It is an arithmetic number, because the mean of its divisors is an integer number (3889508).

Almost surely, 2^64074725 is an apocalyptic number.

64074725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64074725 is a deficient number, since it is larger than the sum of its proper divisors (29273467).

64074725 is a wasteful number, since it uses less digits than its factorization.

64074725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17957 (or 17952 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 64074725 is about 8004.6689500566. The cubic root of 64074725 is about 400.1556165342.

The spelling of 64074725 in words is "sixty-four million, seventy-four thousand, seven hundred twenty-five".