73329331 has 2 divisors, whose sum is σ = 73329332. Its totient is φ = 73329330.

The previous prime is 73329329. The next prime is 73329343. The reversal of 73329331 is 13392337.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73329331 - 2¹ = 73329329 is a prime.

It is a super-2 number, since 2×73329331² = 10754381569815122, which contains 22 as substring.

Together with 73329329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 73329293 and 73329302.

It is not a weakly prime, because it can be changed into another prime (73329031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36664665 + 36664666.

It is an arithmetic number, because the mean of its divisors is an integer number (36664666).

Almost surely, 2^73329331 is an apocalyptic number.

73329331 is a deficient number, since it is larger than the sum of its proper divisors (1).

73329331 is an equidigital number, since it uses as much as digits as its factorization.

73329331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 31.

The square root of 73329331 is about 8563.2546966676. The cubic root of 73329331 is about 418.5614636232.

The spelling of 73329331 in words is "seventy-three million, three hundred twenty-nine thousand, three hundred thirty-one".