64316674 has 4 divisors (see below), whose sum is σ = 96475014. Its totient is φ = 32158336.

The previous prime is 64316663. The next prime is 64316683. The reversal of 64316674 is 47661346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47661346 = 2 ⋅23830673.

It can be written as a sum of positive squares in only one way, i.e., 38378025 + 25938649 = 6195^2 + 5093^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16079167 + ... + 16079170.

Almost surely, 2^64316674 is an apocalyptic number.

64316674 is a deficient number, since it is larger than the sum of its proper divisors (32158340).

64316674 is a wasteful number, since it uses less digits than its factorization.

64316674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32158339.

The product of its digits is 72576, while the sum is 37.

The square root of 64316674 is about 8019.7677023714. The cubic root of 64316674 is about 400.6586523474.

The spelling of 64316674 in words is "sixty-four million, three hundred sixteen thousand, six hundred seventy-four".