66976122 has 16 divisors (see below), whose sum is σ = 134310240. Its totient is φ = 22265712.

The previous prime is 66976111. The next prime is 66976127. The reversal of 66976122 is 22167966.

It is not an unprimeable number, because it can be changed into a prime (66976127) 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, 12453 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (8394390).

Almost surely, 2^66976122 is an apocalyptic number.

66976122 is an abundant number, since it is smaller than the sum of its proper divisors (67334118).

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

66976122 is a wasteful number, since it uses less digits than its factorization.

66976122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29837.

The product of its digits is 54432, while the sum is 39.

The square root of 66976122 is about 8183.8940608979. The cubic root of 66976122 is about 406.1065547367.

The spelling of 66976122 in words is "sixty-six million, nine hundred seventy-six thousand, one hundred twenty-two".