64330292 has 12 divisors (see below), whose sum is σ = 121237956. Its totient is φ = 29690880.

The previous prime is 64330289. The next prime is 64330297. The reversal of 64330292 is 29203346.

It can be written as a sum of positive squares in 2 ways, for example, as 12432676 + 51897616 = 3526^2 + 7204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64330297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618509 + ... + 618612.

It is an arithmetic number, because the mean of its divisors is an integer number (10103163).

Almost surely, 2^64330292 is an apocalyptic number.

It is an amenable number.

64330292 is a deficient number, since it is larger than the sum of its proper divisors (56907664).

64330292 is a wasteful number, since it uses less digits than its factorization.

64330292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237138 (or 1237136 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 64330292 is about 8020.6166845200. The cubic root of 64330292 is about 400.6869279829.

The spelling of 64330292 in words is "sixty-four million, three hundred thirty thousand, two hundred ninety-two".