64825768 has 32 divisors (see below), whose sum is σ = 142148160. Its totient is φ = 27135360.

The previous prime is 64825763. The next prime is 64825781. The reversal of 64825768 is 86752846.

It is not an unprimeable number, because it can be changed into a prime (64825763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11053 + ... + 15868.

It is an arithmetic number, because the mean of its divisors is an integer number (4442130).

Almost surely, 2^64825768 is an apocalyptic number.

It is an amenable number.

64825768 is an abundant number, since it is smaller than the sum of its proper divisors (77322392).

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

64825768 is a wasteful number, since it uses less digits than its factorization.

64825768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26977 (or 26973 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 64825768 is about 8051.4450876846. The cubic root of 64825768 is about 401.7130035748.

The spelling of 64825768 in words is "sixty-four million, eight hundred twenty-five thousand, seven hundred sixty-eight".