73930313 has 2 divisors, whose sum is σ = 73930314. Its totient is φ = 73930312.

The previous prime is 73930301. The next prime is 73930327. The reversal of 73930313 is 31303937.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73908409 + 21904 = 8597^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 73930313 - 2⁶ = 73930249 is a prime.

It is not a weakly prime, because it can be changed into another prime (73530313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36965156 + 36965157.

It is an arithmetic number, because the mean of its divisors is an integer number (36965157).

Almost surely, 2^73930313 is an apocalyptic number.

It is an amenable number.

73930313 is a deficient number, since it is larger than the sum of its proper divisors (1).

73930313 is an equidigital number, since it uses as much as digits as its factorization.

73930313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 29.

The square root of 73930313 is about 8598.2738383934. The cubic root of 73930313 is about 419.7018159395.

The spelling of 73930313 in words is "seventy-three million, nine hundred thirty thousand, three hundred thirteen".