64964333 has 8 divisors (see below), whose sum is σ = 74429760. Its totient is φ = 55545120.

The previous prime is 64964309. The next prime is 64964353. The reversal of 64964333 is 33346946.

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

It is a cyclic number.

It is not a de Polignac number, because 64964333 - 2¹⁰ = 64963309 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 (64964303) 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, 8483 + ... + 14208.

It is an arithmetic number, because the mean of its divisors is an integer number (9303720).

Almost surely, 2^64964333 is an apocalyptic number.

It is an amenable number.

64964333 is a deficient number, since it is larger than the sum of its proper divisors (9465427).

64964333 is a wasteful number, since it uses less digits than its factorization.

64964333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23107.

The product of its digits is 139968, while the sum is 38.

The square root of 64964333 is about 8060.0454713358. The cubic root of 64964333 is about 401.9990202364. Note that the first 3 decimals are identical.

The spelling of 64964333 in words is "sixty-four million, nine hundred sixty-four thousand, three hundred thirty-three".