73391099 has 2 divisors, whose sum is σ = 73391100. Its totient is φ = 73391098.

The previous prime is 73391081. The next prime is 73391119. The reversal of 73391099 is 99019337.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73391099 - 2¹⁶ = 73325563 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73391029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36695549 + 36695550.

It is an arithmetic number, because the mean of its divisors is an integer number (36695550).

Almost surely, 2^73391099 is an apocalyptic number.

73391099 is a deficient number, since it is larger than the sum of its proper divisors (1).

73391099 is an equidigital number, since it uses as much as digits as its factorization.

73391099 is an evil number, because the sum of its binary digits is even.

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

The square root of 73391099 is about 8566.8605101286. The cubic root of 73391099 is about 418.6789538932.

The spelling of 73391099 in words is "seventy-three million, three hundred ninety-one thousand, ninety-nine".