64945076 has 24 divisors (see below), whose sum is σ = 132095040. Its totient is φ = 27361152.

The previous prime is 64945073. The next prime is 64945099. The reversal of 64945076 is 67054946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64945073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18005 + ... + 21308.

It is an arithmetic number, because the mean of its divisors is an integer number (5503960).

Almost surely, 2^64945076 is an apocalyptic number.

It is an amenable number.

64945076 is an abundant number, since it is smaller than the sum of its proper divisors (67149964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64945076 is a wasteful number, since it uses less digits than its factorization.

64945076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39383 (or 39381 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 64945076 is about 8058.8507865576. The cubic root of 64945076 is about 401.9592955659.

The spelling of 64945076 in words is "sixty-four million, nine hundred forty-five thousand, seventy-six".