64864954 has 48 divisors (see below), whose sum is σ = 124416576. Its totient is φ = 24843720.

The previous prime is 64864949. The next prime is 64864957. The reversal of 64864954 is 45946846.

Its product of digits (829440) is a multiple of the sum of its prime factors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64864957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099377 + ... + 1099435.

It is an arithmetic number, because the mean of its divisors is an integer number (2592012).

Almost surely, 2^64864954 is an apocalyptic number.

64864954 is a deficient number, since it is larger than the sum of its proper divisors (59551622).

64864954 is an equidigital number, since it uses as much as digits as its factorization.

64864954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 79 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 64864954 is about 8053.8781962481. The cubic root of 64864954 is about 401.7939300103.

The spelling of 64864954 in words is "sixty-four million, eight hundred sixty-four thousand, nine hundred fifty-four".