64713828 has 12 divisors (see below), whose sum is σ = 150998960. Its totient is φ = 21571272.

The previous prime is 64713827. The next prime is 64713889. The reversal of 64713828 is 82831746.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (64713821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696398 + ... + 2696421.

Almost surely, 2^64713828 is an apocalyptic number.

It is an amenable number.

64713828 is an abundant number, since it is smaller than the sum of its proper divisors (86285132).

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

64713828 is a wasteful number, since it uses less digits than its factorization.

64713828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392826 (or 5392824 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 64713828 is about 8044.4905370073. The cubic root of 64713828 is about 401.4816466980.

The spelling of 64713828 in words is "sixty-four million, seven hundred thirteen thousand, eight hundred twenty-eight".