66760292 has 12 divisors (see below), whose sum is σ = 123703020. Its totient is φ = 31416576.

The previous prime is 66760289. The next prime is 66760301. The reversal of 66760292 is 29206766.

It can be written as a sum of positive squares in 2 ways, for example, as 60124516 + 6635776 = 7754^2 + 2576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490817 + ... + 490952.

It is an arithmetic number, because the mean of its divisors is an integer number (10308585).

Almost surely, 2^66760292 is an apocalyptic number.

It is an amenable number.

66760292 is a deficient number, since it is larger than the sum of its proper divisors (56942728).

66760292 is a wasteful number, since it uses less digits than its factorization.

66760292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981790 (or 981788 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 66760292 is about 8170.6971550780. The cubic root of 66760292 is about 405.6698603126.

The spelling of 66760292 in words is "sixty-six million, seven hundred sixty thousand, two hundred ninety-two".