66714850 has 12 divisors (see below), whose sum is σ = 124089714. Its totient is φ = 26685920.

The previous prime is 66714847. The next prime is 66714929. The reversal of 66714850 is 5841766.

It can be written as a sum of positive squares in 3 ways, for example, as 43414921 + 23299929 = 6589^2 + 4827^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667099 + ... + 667198.

Almost surely, 2^66714850 is an apocalyptic number.

66714850 is a deficient number, since it is larger than the sum of its proper divisors (57374864).

66714850 is a wasteful number, since it uses less digits than its factorization.

66714850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334309 (or 1334304 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 66714850 is about 8167.9158908500. The cubic root of 66714850 is about 405.5777964353.

The spelling of 66714850 in words is "sixty-six million, seven hundred fourteen thousand, eight hundred fifty".