73239233 has 2 divisors, whose sum is σ = 73239234. Its totient is φ = 73239232.

The previous prime is 73239227. The next prime is 73239259. The reversal of 73239233 is 33293237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45064369 + 28174864 = 6713^2 + 5308^2 .

It is a cyclic number.

It is not a de Polignac number, because 73239233 - 2⁴ = 73239217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73239233.

It is not a weakly prime, because it can be changed into another prime (73239203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36619616 + 36619617.

It is an arithmetic number, because the mean of its divisors is an integer number (36619617).

Almost surely, 2^73239233 is an apocalyptic number.

It is an amenable number.

73239233 is a deficient number, since it is larger than the sum of its proper divisors (1).

73239233 is an equidigital number, since it uses as much as digits as its factorization.

73239233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 32.

The square root of 73239233 is about 8557.9923463392. The cubic root of 73239233 is about 418.3899678707.

The spelling of 73239233 in words is "seventy-three million, two hundred thirty-nine thousand, two hundred thirty-three".