64758812 has 6 divisors (see below), whose sum is σ = 113327928. Its totient is φ = 32379404.

The previous prime is 64758781. The next prime is 64758829. The reversal of 64758812 is 21885746.

It is a self number, because there is not a number n which added to its sum of digits gives 64758812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8094848 + ... + 8094855.

It is an arithmetic number, because the mean of its divisors is an integer number (18887988).

Almost surely, 2^64758812 is an apocalyptic number.

It is an amenable number.

64758812 is a deficient number, since it is larger than the sum of its proper divisors (48569116).

64758812 is a wasteful number, since it uses less digits than its factorization.

64758812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16189707 (or 16189705 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 64758812 is about 8047.2860021252. The cubic root of 64758812 is about 401.5746513818.

The spelling of 64758812 in words is "sixty-four million, seven hundred fifty-eight thousand, eight hundred twelve".