64764772 has 24 divisors (see below), whose sum is σ = 119246400. Its totient is φ = 30732576.

The previous prime is 64764769. The next prime is 64764779. The reversal of 64764772 is 27746746.

It is not an unprimeable number, because it can be changed into a prime (64764779) 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, 2113 + ... + 11575.

It is an arithmetic number, because the mean of its divisors is an integer number (4968600).

Almost surely, 2^64764772 is an apocalyptic number.

It is an amenable number.

64764772 is a deficient number, since it is larger than the sum of its proper divisors (54481628).

64764772 is a wasteful number, since it uses less digits than its factorization.

64764772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9555 (or 9553 counting only the distinct ones).

The product of its digits is 395136, while the sum is 43.

The square root of 64764772 is about 8047.6563047884. The cubic root of 64764772 is about 401.5869704851.

It can be divided in two parts, 64764 and 772, that added together give a 16-th power (65536 = 2¹⁶).

The spelling of 64764772 in words is "sixty-four million, seven hundred sixty-four thousand, seven hundred seventy-two".