76936666 has 8 divisors (see below), whose sum is σ = 115586964. Its totient is φ = 38407680.

The previous prime is 76936627. The next prime is 76936667. The reversal of 76936666 is 66663967.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66830625 + 10106041 = 8175^2 + 3179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (76936667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28725 + ... + 31288.

Almost surely, 2^76936666 is an apocalyptic number.

76936666 is a deficient number, since it is larger than the sum of its proper divisors (38650298).

76936666 is a wasteful number, since it uses less digits than its factorization.

76936666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60656.

The product of its digits is 1469664, while the sum is 49.

The square root of 76936666 is about 8771.3548554371. The cubic root of 76936666 is about 425.3154124572.

The spelling of 76936666 in words is "seventy-six million, nine hundred thirty-six thousand, six hundred sixty-six".