76338661 has 16 divisors (see below), whose sum is σ = 89259520. Its totient is φ = 63938160.

The previous prime is 76338629. The next prime is 76338673. The reversal of 76338661 is 16683367.

It is a cyclic number.

It is not a de Polignac number, because 76338661 - 2⁵ = 76338629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76338601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64606 + ... + 65776.

It is an arithmetic number, because the mean of its divisors is an integer number (5578720).

Almost surely, 2^76338661 is an apocalyptic number.

It is an amenable number.

76338661 is a deficient number, since it is larger than the sum of its proper divisors (12920859).

76338661 is a wasteful number, since it uses less digits than its factorization.

76338661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its digits is 108864, while the sum is 40.

The square root of 76338661 is about 8737.1998374765. The cubic root of 76338661 is about 424.2105964763.

The spelling of 76338661 in words is "seventy-six million, three hundred thirty-eight thousand, six hundred sixty-one".