64195312 has 10 divisors (see below), whose sum is σ = 124378448. Its totient is φ = 32097648.

The previous prime is 64195253. The next prime is 64195367. The reversal of 64195312 is 21359146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006088 + ... + 2006119.

Almost surely, 2^64195312 is an apocalyptic number.

It is an amenable number.

64195312 is a deficient number, since it is larger than the sum of its proper divisors (60183136).

64195312 is a wasteful number, since it uses less digits than its factorization.

64195312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4012215 (or 4012209 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 64195312 is about 8012.1977010056. The cubic root of 64195312 is about 400.4064867813.

The spelling of 64195312 in words is "sixty-four million, one hundred ninety-five thousand, three hundred twelve".