76997066 has 16 divisors (see below), whose sum is σ = 116633088. Its totient is φ = 38121600.

The previous prime is 76997033. The next prime is 76997071. The reversal of 76997066 is 66079967.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134561 + ... + 135131.

It is an arithmetic number, because the mean of its divisors is an integer number (7289568).

Almost surely, 2^76997066 is an apocalyptic number.

76997066 is a deficient number, since it is larger than the sum of its proper divisors (39636022).

76997066 is a wasteful number, since it uses less digits than its factorization.

76997066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 76997066 is about 8774.7972056339. The cubic root of 76997066 is about 425.4266829029.

The spelling of 76997066 in words is "seventy-six million, nine hundred ninety-seven thousand, sixty-six".