73567213 has 2 divisors, whose sum is σ = 73567214. Its totient is φ = 73567212.

The previous prime is 73567201. The next prime is 73567223. The reversal of 73567213 is 31276537.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 33143049 = 6358^2 + 5757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73567213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73567223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36783606 + 36783607.

It is an arithmetic number, because the mean of its divisors is an integer number (36783607).

Almost surely, 2^73567213 is an apocalyptic number.

It is an amenable number.

73567213 is a deficient number, since it is larger than the sum of its proper divisors (1).

73567213 is an equidigital number, since it uses as much as digits as its factorization.

73567213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 34.

The square root of 73567213 is about 8577.1331457545. The cubic root of 73567213 is about 419.0135826827.

The spelling of 73567213 in words is "seventy-three million, five hundred sixty-seven thousand, two hundred thirteen".