73399331 has 2 divisors, whose sum is σ = 73399332. Its totient is φ = 73399330.

The previous prime is 73399321. The next prime is 73399343. The reversal of 73399331 is 13399337.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73399331 - 2⁶ = 73399267 is a prime.

It is a super-2 number, since 2×73399331² = 10774923582495122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73399321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36699665 + 36699666.

It is an arithmetic number, because the mean of its divisors is an integer number (36699666).

Almost surely, 2^73399331 is an apocalyptic number.

73399331 is a deficient number, since it is larger than the sum of its proper divisors (1).

73399331 is an equidigital number, since it uses as much as digits as its factorization.

73399331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45927, while the sum is 38.

The square root of 73399331 is about 8567.3409527111. The cubic root of 73399331 is about 418.6946071824.

The spelling of 73399331 in words is "seventy-three million, three hundred ninety-nine thousand, three hundred thirty-one".