91746045 has 12 divisors (see below), whose sum is σ = 159026556. Its totient is φ = 48931200.

The previous prime is 91746043. The next prime is 91746071. The reversal of 91746045 is 54064719.

It can be written as a sum of positive squares in 2 ways, for example, as 67716441 + 24029604 = 8229^2 + 4902^2 .

It is not a de Polignac number, because 91746045 - 2¹ = 91746043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91746043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019356 + ... + 1019445.

It is an arithmetic number, because the mean of its divisors is an integer number (13252213).

Almost surely, 2^91746045 is an apocalyptic number.

It is an amenable number.

91746045 is a deficient number, since it is larger than the sum of its proper divisors (67280511).

91746045 is a wasteful number, since it uses less digits than its factorization.

91746045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038812 (or 2038809 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 91746045 is about 9578.4155787896. The cubic root of 91746045 is about 451.0199826283.

The spelling of 91746045 in words is "ninety-one million, seven hundred forty-six thousand, forty-five".