76736663 has 4 divisors (see below), whose sum is σ = 76810728. Its totient is φ = 76662600.

The previous prime is 76736659. The next prime is 76736683. The reversal of 76736663 is 36663767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36663767 = 7 ⋅5237681.

It is a cyclic number.

It is not a de Polignac number, because 76736663 - 2² = 76736659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76736683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35456 + ... + 37557.

It is an arithmetic number, because the mean of its divisors is an integer number (19202682).

Almost surely, 2^76736663 is an apocalyptic number.

76736663 is a deficient number, since it is larger than the sum of its proper divisors (74065).

76736663 is a wasteful number, since it uses less digits than its factorization.

76736663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74064.

The product of its digits is 571536, while the sum is 44.

The square root of 76736663 is about 8759.9465181016. The cubic root of 76736663 is about 424.9465455262.

The spelling of 76736663 in words is "seventy-six million, seven hundred thirty-six thousand, six hundred sixty-three".