64791417 has 8 divisors (see below), whose sum is σ = 86460640. Its totient is φ = 43158240.

The previous prime is 64791413. The next prime is 64791443. The reversal of 64791417 is 71419746.

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

It is not a de Polignac number, because 64791417 - 2² = 64791413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64791413) 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, 4492 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (10807580).

Almost surely, 2^64791417 is an apocalyptic number.

It is an amenable number.

64791417 is a deficient number, since it is larger than the sum of its proper divisors (21669223).

64791417 is a wasteful number, since it uses less digits than its factorization.

64791417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18023.

The product of its digits is 42336, while the sum is 39.

The square root of 64791417 is about 8049.3115854711. The cubic root of 64791417 is about 401.6420354916.

The spelling of 64791417 in words is "sixty-four million, seven hundred ninety-one thousand, four hundred seventeen".