64344376 has 16 divisors (see below), whose sum is σ = 120876840. Its totient is φ = 32110560.

The previous prime is 64344361. The next prime is 64344391. The reversal of 64344376 is 67344346.

It is an interprime number because it is at equal distance from previous prime (64344361) and next prime (64344391).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3106 + ... + 11761.

Almost surely, 2^64344376 is an apocalyptic number.

It is an amenable number.

64344376 is a deficient number, since it is larger than the sum of its proper divisors (56532464).

64344376 is a wasteful number, since it uses less digits than its factorization.

64344376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414 (or 15410 counting only the distinct ones).

The product of its digits is 145152, while the sum is 37.

The square root of 64344376 is about 8021.4946238217. The cubic root of 64344376 is about 400.7161669968.

The spelling of 64344376 in words is "sixty-four million, three hundred forty-four thousand, three hundred seventy-six".