73732091 has 2 divisors, whose sum is σ = 73732092. Its totient is φ = 73732090.

The previous prime is 73732033. The next prime is 73732129. The reversal of 73732091 is 19023737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73732091 - 2¹⁸ = 73469947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (73732891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36866045 + 36866046.

It is an arithmetic number, because the mean of its divisors is an integer number (36866046).

Almost surely, 2^73732091 is an apocalyptic number.

73732091 is a deficient number, since it is larger than the sum of its proper divisors (1).

73732091 is an equidigital number, since it uses as much as digits as its factorization.

73732091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 73732091 is about 8586.7392530576. The cubic root of 73732091 is about 419.3263786107.

The spelling of 73732091 in words is "seventy-three million, seven hundred thirty-two thousand, ninety-one".