64770674 has 4 divisors (see below), whose sum is σ = 97156014. Its totient is φ = 32385336.

The previous prime is 64770661. The next prime is 64770689. The reversal of 64770674 is 47607746.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61512649 + 3258025 = 7843^2 + 1805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16192667 + ... + 16192670.

Almost surely, 2^64770674 is an apocalyptic number.

64770674 is a deficient number, since it is larger than the sum of its proper divisors (32385340).

64770674 is a wasteful number, since it uses less digits than its factorization.

64770674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32385339.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 64770674 is about 8048.0229870447. The cubic root of 64770674 is about 401.5991689599.

The spelling of 64770674 in words is "sixty-four million, seven hundred seventy thousand, six hundred seventy-four".