76630791 has 16 divisors (see below), whose sum is σ = 105707520. Its totient is φ = 49328160.

The previous prime is 76630777. The next prime is 76630817. The reversal of 76630791 is 19703667.

It is not a de Polignac number, because 76630791 - 2⁵ = 76630759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76630751) 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 15 ways as a sum of consecutive naturals, for example, 68545 + ... + 69653.

It is an arithmetic number, because the mean of its divisors is an integer number (6606720).

Almost surely, 2^76630791 is an apocalyptic number.

76630791 is a deficient number, since it is larger than the sum of its proper divisors (29076729).

76630791 is a wasteful number, since it uses less digits than its factorization.

76630791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 76630791 is about 8753.9014730576. The cubic root of 76630791 is about 424.7510255694.

It can be divided in two parts, 76630 and 791, that added together give a triangular number (77421 = T₃₉₃).

The spelling of 76630791 in words is "seventy-six million, six hundred thirty thousand, seven hundred ninety-one".