76690 has 8 divisors (see below), whose sum is σ = 138060. Its totient is φ = 30672.

The previous prime is 76679. The next prime is 76697. The reversal of 76690 is 9667.

It can be written as a sum of positive squares in 2 ways, for example, as 73441 + 3249 = 271^2 + 57^2 .

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

It is a super-2 number, since 2×76690² = 11762712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76697) 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, 3825 + ... + 3844.

2⁷⁶⁶⁹⁰ is an apocalyptic number.

76690 is a deficient number, since it is larger than the sum of its proper divisors (61370).

76690 is a wasteful number, since it uses less digits than its factorization.

76690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 76690 is about 276.9295939404. The cubic root of 76690 is about 42.4860392439.

The spelling of 76690 in words is "seventy-six thousand, six hundred ninety".