64767792 has 40 divisors (see below), whose sum is σ = 169207920. Its totient is φ = 21345280.

The previous prime is 64767779. The next prime is 64767799. The reversal of 64767792 is 29776746.

It is a happy number.

64767792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (64767799) 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 7 ways as a sum of consecutive naturals, for example, 3309 + ... + 11852.

It is an arithmetic number, because the mean of its divisors is an integer number (4230198).

Almost surely, 2^64767792 is an apocalyptic number.

It is an amenable number.

64767792 is an abundant number, since it is smaller than the sum of its proper divisors (104440128).

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

64767792 is a wasteful number, since it uses less digits than its factorization.

64767792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15261 (or 15255 counting only the distinct ones).

The product of its digits is 889056, while the sum is 48.

The square root of 64767792 is about 8047.8439348685. The cubic root of 64767792 is about 401.5932124269.

The spelling of 64767792 in words is "sixty-four million, seven hundred sixty-seven thousand, seven hundred ninety-two".