73797013 has 2 divisors, whose sum is σ = 73797014. Its totient is φ = 73797012.

The previous prime is 73796993. The next prime is 73797029. The reversal of 73797013 is 31079737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73153809 + 643204 = 8553^2 + 802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73797013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73797313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36898506 + 36898507.

It is an arithmetic number, because the mean of its divisors is an integer number (36898507).

Almost surely, 2^73797013 is an apocalyptic number.

It is an amenable number.

73797013 is a deficient number, since it is larger than the sum of its proper divisors (1).

73797013 is an equidigital number, since it uses as much as digits as its factorization.

73797013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27783, while the sum is 37.

The square root of 73797013 is about 8590.5187852655. The cubic root of 73797013 is about 419.4494164923.

The spelling of 73797013 in words is "seventy-three million, seven hundred ninety-seven thousand, thirteen".