36623791 has 2 divisors, whose sum is σ = 36623792. Its totient is φ = 36623790.

The previous prime is 36623789. The next prime is 36623809. The reversal of 36623791 is 19732663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36623791 - 2¹ = 36623789 is a prime.

Together with 36623789, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36623791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36623591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18311895 + 18311896.

It is an arithmetic number, because the mean of its divisors is an integer number (18311896).

Almost surely, 2^36623791 is an apocalyptic number.

36623791 is a deficient number, since it is larger than the sum of its proper divisors (1).

36623791 is an equidigital number, since it uses as much as digits as its factorization.

36623791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 36623791 is about 6051.7593309714. The cubic root of 36623791 is about 332.0889555749.

The spelling of 36623791 in words is "thirty-six million, six hundred twenty-three thousand, seven hundred ninety-one".