36812791 has 2 divisors, whose sum is σ = 36812792. Its totient is φ = 36812790.

The previous prime is 36812777. The next prime is 36812807. The reversal of 36812791 is 19721863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36812791 - 2⁷ = 36812663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36812791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36812771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18406395 + 18406396.

It is an arithmetic number, because the mean of its divisors is an integer number (18406396).

Almost surely, 2^36812791 is an apocalyptic number.

36812791 is a deficient number, since it is larger than the sum of its proper divisors (1).

36812791 is an equidigital number, since it uses as much as digits as its factorization.

36812791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 36812791 is about 6067.3545306006. The cubic root of 36812791 is about 332.6592329070.

The spelling of 36812791 in words is "thirty-six million, eight hundred twelve thousand, seven hundred ninety-one".