36724993 has 2 divisors, whose sum is σ = 36724994. Its totient is φ = 36724992.

The previous prime is 36724973. The next prime is 36724999. The reversal of 36724993 is 39942763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36578304 + 146689 = 6048^2 + 383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36724993 is a prime.

It is a super-2 number, since 2×36724993² = 2697450221700098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36724999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18362496 + 18362497.

It is an arithmetic number, because the mean of its divisors is an integer number (18362497).

Almost surely, 2^36724993 is an apocalyptic number.

It is an amenable number.

36724993 is a deficient number, since it is larger than the sum of its proper divisors (1).

36724993 is an equidigital number, since it uses as much as digits as its factorization.

36724993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 43.

The square root of 36724993 is about 6060.1149329035. The cubic root of 36724993 is about 332.3945598171.

The spelling of 36724993 in words is "thirty-six million, seven hundred twenty-four thousand, nine hundred ninety-three".