73057207 has 2 divisors, whose sum is σ = 73057208. Its totient is φ = 73057206.

The previous prime is 73057189. The next prime is 73057241. The reversal of 73057207 is 70275037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73057207 - 2¹⁹ = 72532919 is a prime.

It is a Chen prime.

It is equal to p_4287253 and since 73057207 and 4287253 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73057247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36528603 + 36528604.

It is an arithmetic number, because the mean of its divisors is an integer number (36528604).

Almost surely, 2^73057207 is an apocalyptic number.

73057207 is a deficient number, since it is larger than the sum of its proper divisors (1).

73057207 is an equidigital number, since it uses as much as digits as its factorization.

73057207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 31.

The square root of 73057207 is about 8547.3508761487. The cubic root of 73057207 is about 418.0430634876.

The spelling of 73057207 in words is "seventy-three million, fifty-seven thousand, two hundred seven".