91935073 has 2 divisors, whose sum is σ = 91935074. Its totient is φ = 91935072.

The previous prime is 91935049. The next prime is 91935101. The reversal of 91935073 is 37053919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91929744 + 5329 = 9588^2 + 73^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91935073 is a prime.

It is not a weakly prime, because it can be changed into another prime (91935023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45967536 + 45967537.

It is an arithmetic number, because the mean of its divisors is an integer number (45967537).

Almost surely, 2^91935073 is an apocalyptic number.

It is an amenable number.

91935073 is a deficient number, since it is larger than the sum of its proper divisors (1).

91935073 is an equidigital number, since it uses as much as digits as its factorization.

91935073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 91935073 is about 9588.2778954304. The cubic root of 91935073 is about 451.3295215681.

The spelling of 91935073 in words is "ninety-one million, nine hundred thirty-five thousand, seventy-three".