66714612 has 24 divisors (see below), whose sum is σ = 156088800. Its totient is φ = 22178016.

The previous prime is 66714611. The next prime is 66714623. The reversal of 66714612 is 21641766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66714611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 11882.

It is an arithmetic number, because the mean of its divisors is an integer number (6503700).

Almost surely, 2^66714612 is an apocalyptic number.

It is an amenable number.

66714612 is an abundant number, since it is smaller than the sum of its proper divisors (89374188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66714612 is a wasteful number, since it uses less digits than its factorization.

66714612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055 (or 15053 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 66714612 is about 8167.9013216370. The cubic root of 66714612 is about 405.5773141457.

The spelling of 66714612 in words is "sixty-six million, seven hundred fourteen thousand, six hundred twelve".