64764369 has 12 divisors (see below), whose sum is σ = 98472400. Its totient is φ = 40903704.

The previous prime is 64764317. The next prime is 64764377. The reversal of 64764369 is 96346746.

It is not a de Polignac number, because 64764369 - 2¹⁶ = 64698833 is a prime.

It is a super-2 number, since 2×64764369² = 8388846983936322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64764269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189199 + ... + 189540.

Almost surely, 2^64764369 is an apocalyptic number.

It is an amenable number.

64764369 is a deficient number, since it is larger than the sum of its proper divisors (33708031).

64764369 is a wasteful number, since it uses less digits than its factorization.

64764369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378764 (or 378761 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 64764369 is about 8047.6312664038. The cubic root of 64764369 is about 401.5861375226.

The spelling of 64764369 in words is "sixty-four million, seven hundred sixty-four thousand, three hundred sixty-nine".