64092172 has 18 divisors (see below), whose sum is σ = 114119348. Its totient is φ = 31496088.

The previous prime is 64092169. The next prime is 64092173. The reversal of 64092172 is 27129046.

64092172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64092173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11623 + ... + 16225.

Almost surely, 2^64092172 is an apocalyptic number.

It is an amenable number.

64092172 is a deficient number, since it is larger than the sum of its proper divisors (50027176).

64092172 is a wasteful number, since it uses less digits than its factorization.

64092172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4664 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 64092172 is about 8005.7586773522. The cubic root of 64092172 is about 400.1919328897.

The spelling of 64092172 in words is "sixty-four million, ninety-two thousand, one hundred seventy-two".