36737021 has 2 divisors, whose sum is σ = 36737022. Its totient is φ = 36737020.

The previous prime is 36737011. The next prime is 36737053. The reversal of 36737021 is 12073763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29311396 + 7425625 = 5414^2 + 2725^2 .

It is a cyclic number.

It is not a de Polignac number, because 36737021 - 2¹⁴ = 36720637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36737011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18368510 + 18368511.

It is an arithmetic number, because the mean of its divisors is an integer number (18368511).

Almost surely, 2^36737021 is an apocalyptic number.

It is an amenable number.

36737021 is a deficient number, since it is larger than the sum of its proper divisors (1).

36737021 is an equidigital number, since it uses as much as digits as its factorization.

36737021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 36737021 is about 6061.1072420804. The cubic root of 36737021 is about 332.4308439662.

The spelling of 36737021 in words is "thirty-six million, seven hundred thirty-seven thousand, twenty-one".