73099931 has 2 divisors, whose sum is σ = 73099932. Its totient is φ = 73099930.

The previous prime is 73099921. The next prime is 73099963. The reversal of 73099931 is 13999037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73099931 - 2⁶ = 73099867 is a prime.

It is a super-2 number, since 2×73099931² = 10687199824409522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73099921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36549965 + 36549966.

It is an arithmetic number, because the mean of its divisors is an integer number (36549966).

Almost surely, 2^73099931 is an apocalyptic number.

73099931 is a deficient number, since it is larger than the sum of its proper divisors (1).

73099931 is an equidigital number, since it uses as much as digits as its factorization.

73099931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 73099931 is about 8549.8497647620. The cubic root of 73099931 is about 418.1245384125.

The spelling of 73099931 in words is "seventy-three million, ninety-nine thousand, nine hundred thirty-one".