64542592 has 32 divisors (see below), whose sum is σ = 128948400. Its totient is φ = 32179200.

The previous prime is 64542571. The next prime is 64542593. The reversal of 64542592 is 29524546.

64542592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64542593) 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 3 ways as a sum of consecutive naturals, for example, 76509 + ... + 77347.

Almost surely, 2^64542592 is an apocalyptic number.

It is an amenable number.

64542592 is a deficient number, since it is larger than the sum of its proper divisors (64405808).

64542592 is an equidigital number, since it uses as much as digits as its factorization.

64542592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1442 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 64542592 is about 8033.8404265955. The cubic root of 64542592 is about 401.1272204512.

The spelling of 64542592 in words is "sixty-four million, five hundred forty-two thousand, five hundred ninety-two".