36731819 has 2 divisors, whose sum is σ = 36731820. Its totient is φ = 36731818.

The previous prime is 36731797. The next prime is 36731831. The reversal of 36731819 is 91813763.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36731819 - 2¹² = 36727723 is a prime.

It is a super-2 number, since 2×36731819² = 2698453054097522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36731839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18365909 + 18365910.

It is an arithmetic number, because the mean of its divisors is an integer number (18365910).

Almost surely, 2^36731819 is an apocalyptic number.

36731819 is a deficient number, since it is larger than the sum of its proper divisors (1).

36731819 is an equidigital number, since it uses as much as digits as its factorization.

36731819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 36731819 is about 6060.6780973749. The cubic root of 36731819 is about 332.4151523756.

The spelling of 36731819 in words is "thirty-six million, seven hundred thirty-one thousand, eight hundred nineteen".