64964291 has 16 divisors (see below), whose sum is σ = 75398400. Its totient is φ = 54826848.

The previous prime is 64964261. The next prime is 64964297. The reversal of 64964291 is 19246946.

It is a cyclic number.

It is not a de Polignac number, because 64964291 - 2⁶ = 64964227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64964297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173981 + ... + 174353.

It is an arithmetic number, because the mean of its divisors is an integer number (4712400).

Almost surely, 2^64964291 is an apocalyptic number.

64964291 is a deficient number, since it is larger than the sum of its proper divisors (10434109).

64964291 is a wasteful number, since it uses less digits than its factorization.

64964291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its digits is 93312, while the sum is 41.

The square root of 64964291 is about 8060.0428658910. The cubic root of 64964291 is about 401.9989336044.

The spelling of 64964291 in words is "sixty-four million, nine hundred sixty-four thousand, two hundred ninety-one".