91614073 has 2 divisors, whose sum is σ = 91614074. Its totient is φ = 91614072.

The previous prime is 91614043. The next prime is 91614091. The reversal of 91614073 is 37041619.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62916624 + 28697449 = 7932^2 + 5357^2 .

It is a cyclic number.

It is not a de Polignac number, because 91614073 - 2⁵ = 91614041 is a prime.

It is not a weakly prime, because it can be changed into another prime (91614013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45807036 + 45807037.

It is an arithmetic number, because the mean of its divisors is an integer number (45807037).

Almost surely, 2^91614073 is an apocalyptic number.

It is an amenable number.

91614073 is a deficient number, since it is larger than the sum of its proper divisors (1).

91614073 is an equidigital number, since it uses as much as digits as its factorization.

91614073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 91614073 is about 9571.5240688200. The cubic root of 91614073 is about 450.8036224507.

The spelling of 91614073 in words is "ninety-one million, six hundred fourteen thousand, seventy-three".