64944968 has 16 divisors (see below), whose sum is σ = 132842160. Its totient is φ = 29520400.

The previous prime is 64944937. The next prime is 64944973. The reversal of 64944968 is 86944946.

It is a super-3 number, since 3×64944968³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368918 + ... + 369093.

It is an arithmetic number, because the mean of its divisors is an integer number (8302635).

Almost surely, 2^64944968 is an apocalyptic number.

It is an amenable number.

64944968 is an abundant number, since it is smaller than the sum of its proper divisors (67897192).

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

64944968 is a wasteful number, since it uses less digits than its factorization.

64944968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738028 (or 738024 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The square root of 64944968 is about 8058.8440858475. The cubic root of 64944968 is about 401.9590727539.

The spelling of 64944968 in words is "sixty-four million, nine hundred forty-four thousand, nine hundred sixty-eight".