76890164 has 24 divisors (see below), whose sum is σ = 145192488. Its totient is φ = 35418240.

The previous prime is 76890161. The next prime is 76890179. The reversal of 76890164 is 46109867.

It can be written as a sum of positive squares in 4 ways, for example, as 18490000 + 58400164 = 4300^2 + 7642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76890161) 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, 33254 + ... + 35490.

It is an arithmetic number, because the mean of its divisors is an integer number (6049687).

Almost surely, 2^76890164 is an apocalyptic number.

It is an amenable number.

76890164 is a deficient number, since it is larger than the sum of its proper divisors (68302324).

76890164 is a wasteful number, since it uses less digits than its factorization.

76890164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 76890164 is about 8768.7036670194. The cubic root of 76890164 is about 425.2297055833.

The spelling of 76890164 in words is "seventy-six million, eight hundred ninety thousand, one hundred sixty-four".