66297092 has 6 divisors (see below), whose sum is σ = 116019918. Its totient is φ = 33148544.

The previous prime is 66297073. The next prime is 66297151. The reversal of 66297092 is 29079266.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58767556 + 7529536 = 7666^2 + 2744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8287133 + ... + 8287140.

It is an arithmetic number, because the mean of its divisors is an integer number (19336653).

Almost surely, 2^66297092 is an apocalyptic number.

It is an amenable number.

66297092 is a deficient number, since it is larger than the sum of its proper divisors (49722826).

66297092 is a wasteful number, since it uses less digits than its factorization.

66297092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574277 (or 16574275 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 66297092 is about 8142.3026227229. The cubic root of 66297092 is about 404.7294682662.

The spelling of 66297092 in words is "sixty-six million, two hundred ninety-seven thousand, ninety-two".