73011313 has 2 divisors, whose sum is σ = 73011314. Its totient is φ = 73011312.

The previous prime is 73011271. The next prime is 73011317. The reversal of 73011313 is 31311037.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71098624 + 1912689 = 8432^2 + 1383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73011313 is a prime.

It is not a weakly prime, because it can be changed into another prime (73011317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36505656 + 36505657.

It is an arithmetic number, because the mean of its divisors is an integer number (36505657).

Almost surely, 2^73011313 is an apocalyptic number.

It is an amenable number.

73011313 is a deficient number, since it is larger than the sum of its proper divisors (1).

73011313 is an equidigital number, since it uses as much as digits as its factorization.

73011313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 73011313 is about 8544.6657629190. The cubic root of 73011313 is about 417.9555079587.

The spelling of 73011313 in words is "seventy-three million, eleven thousand, three hundred thirteen".