77132636 has 24 divisors (see below), whose sum is σ = 154498176. Its totient is φ = 33006960.

The previous prime is 77132623. The next prime is 77132659. The reversal of 77132636 is 63623177.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77132596 and 77132605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21491 + ... + 24821.

It is an arithmetic number, because the mean of its divisors is an integer number (6437424).

Almost surely, 2^77132636 is an apocalyptic number.

It is an amenable number.

77132636 is an abundant number, since it is smaller than the sum of its proper divisors (77365540).

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

77132636 is a wasteful number, since it uses less digits than its factorization.

77132636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169 (or 4167 counting only the distinct ones).

The product of its digits is 31752, while the sum is 35.

The square root of 77132636 is about 8782.5187731083. The cubic root of 77132636 is about 425.6762217560.

The spelling of 77132636 in words is "seventy-seven million, one hundred thirty-two thousand, six hundred thirty-six".