64977212 has 12 divisors (see below), whose sum is σ = 115312176. Its totient is φ = 32030880.

The previous prime is 64977191. The next prime is 64977223. The reversal of 64977212 is 21277946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114113 + ... + 114680.

It is an arithmetic number, because the mean of its divisors is an integer number (9609348).

Almost surely, 2^64977212 is an apocalyptic number.

It is an amenable number.

64977212 is a deficient number, since it is larger than the sum of its proper divisors (50334964).

64977212 is a wasteful number, since it uses less digits than its factorization.

64977212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228868 (or 228866 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 64977212 is about 8060.8443726448. The cubic root of 64977212 is about 402.0255835471.

The spelling of 64977212 in words is "sixty-four million, nine hundred seventy-seven thousand, two hundred twelve".