76644536 has 32 divisors (see below), whose sum is σ = 146577600. Its totient is φ = 37564800.

The previous prime is 76644527. The next prime is 76644541. The reversal of 76644536 is 63544667.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76644493 and 76644502.

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, 108986 + ... + 109686.

It is an arithmetic number, because the mean of its divisors is an integer number (4580550).

Almost surely, 2^76644536 is an apocalyptic number.

It is an amenable number.

76644536 is a deficient number, since it is larger than the sum of its proper divisors (69933064).

76644536 is a wasteful number, since it uses less digits than its factorization.

76644536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 955 counting only the distinct ones).

The product of its digits is 362880, while the sum is 41.

The square root of 76644536 is about 8754.6865163751. The cubic root of 76644536 is about 424.7764194254.

The spelling of 76644536 in words is "seventy-six million, six hundred forty-four thousand, five hundred thirty-six".