73264993 has 2 divisors, whose sum is σ = 73264994. Its totient is φ = 73264992.

The previous prime is 73264979. The next prime is 73265011. The reversal of 73264993 is 39946237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 26040609 = 6872^2 + 5103^2 .

It is a cyclic number.

It is not a de Polignac number, because 73264993 - 2⁹ = 73264481 is a prime.

It is not a weakly prime, because it can be changed into another prime (73264193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36632496 + 36632497.

It is an arithmetic number, because the mean of its divisors is an integer number (36632497).

Almost surely, 2^73264993 is an apocalyptic number.

It is an amenable number.

73264993 is a deficient number, since it is larger than the sum of its proper divisors (1).

73264993 is an equidigital number, since it uses as much as digits as its factorization.

73264993 is an evil number, because the sum of its binary digits is even.

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

The square root of 73264993 is about 8559.4972399084. The cubic root of 73264993 is about 418.4390147262.

The spelling of 73264993 in words is "seventy-three million, two hundred sixty-four thousand, nine hundred ninety-three".