76642836 has 24 divisors (see below), whose sum is σ = 183667680. Its totient is φ = 24856992.

The previous prime is 76642807. The next prime is 76642837. The reversal of 76642836 is 63824667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76642837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85866 + ... + 86753.

It is an arithmetic number, because the mean of its divisors is an integer number (7652820).

Almost surely, 2^76642836 is an apocalyptic number.

It is an amenable number.

76642836 is an abundant number, since it is smaller than the sum of its proper divisors (107024844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76642836 is a wasteful number, since it uses less digits than its factorization.

76642836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172663 (or 172661 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 76642836 is about 8754.5894249816. The cubic root of 76642836 is about 424.7732788438.

The spelling of 76642836 in words is "seventy-six million, six hundred forty-two thousand, eight hundred thirty-six".