66760676 has 12 divisors (see below), whose sum is σ = 118575408. Its totient is φ = 32881992.

The previous prime is 66760667. The next prime is 66760679. The reversal of 66760676 is 67606766.

It is not an unprimeable number, because it can be changed into a prime (66760679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124286 + ... + 124821.

It is an arithmetic number, because the mean of its divisors is an integer number (9881284).

Almost surely, 2^66760676 is an apocalyptic number.

It is an amenable number.

66760676 is a deficient number, since it is larger than the sum of its proper divisors (51814732).

66760676 is a wasteful number, since it uses less digits than its factorization.

66760676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249178 (or 249176 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 66760676 is about 8170.7206536511. The cubic root of 66760676 is about 405.6706381049.

The spelling of 66760676 in words is "sixty-six million, seven hundred sixty thousand, six hundred seventy-six".