64275768 has 40 divisors (see below), whose sum is σ = 180033480. Its totient is φ = 21425040.

The previous prime is 64275767. The next prime is 64275773. The reversal of 64275768 is 86757246.

64275768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64275767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 48948 + ... + 50243.

It is an arithmetic number, because the mean of its divisors is an integer number (4500837).

Almost surely, 2^64275768 is an apocalyptic number.

It is an amenable number.

64275768 is an abundant number, since it is smaller than the sum of its proper divisors (115757712).

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

64275768 is a wasteful number, since it uses less digits than its factorization.

64275768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99209 (or 99196 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 64275768 is about 8017.2169734890. The cubic root of 64275768 is about 400.5736934628.

The spelling of 64275768 in words is "sixty-four million, two hundred seventy-five thousand, seven hundred sixty-eight".