64764957 has 8 divisors (see below), whose sum is σ = 86925760. Its totient is φ = 42890400.

The previous prime is 64764929. The next prime is 64764967. The reversal of 64764957 is 75946746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64764957 - 2⁶ = 64764893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64764907) 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, 71032 + ... + 71937.

It is an arithmetic number, because the mean of its divisors is an integer number (10865720).

Almost surely, 2^64764957 is an apocalyptic number.

It is an amenable number.

64764957 is a deficient number, since it is larger than the sum of its proper divisors (22160803).

64764957 is a wasteful number, since it uses less digits than its factorization.

64764957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143123.

The product of its digits is 1270080, while the sum is 48.

The square root of 64764957 is about 8047.6677988098. The cubic root of 64764957 is about 401.5873528613.

The spelling of 64764957 in words is "sixty-four million, seven hundred sixty-four thousand, nine hundred fifty-seven".