73237091 has 2 divisors, whose sum is σ = 73237092. Its totient is φ = 73237090.

The previous prime is 73237081. The next prime is 73237123. The reversal of 73237091 is 19073237.

It is an a-pointer prime, because the next prime (73237123) can be obtained adding 73237091 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73237091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73237051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36618545 + 36618546.

It is an arithmetic number, because the mean of its divisors is an integer number (36618546).

Almost surely, 2^73237091 is an apocalyptic number.

73237091 is a deficient number, since it is larger than the sum of its proper divisors (1).

73237091 is an equidigital number, since it uses as much as digits as its factorization.

73237091 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 73237091 is about 8557.8671992501. The cubic root of 73237091 is about 418.3858890002.

The spelling of 73237091 in words is "seventy-three million, two hundred thirty-seven thousand, ninety-one".