91372495 has 16 divisors (see below), whose sum is σ = 110923488. Its totient is φ = 72253440.

The previous prime is 91372487. The next prime is 91372513. The reversal of 91372495 is 59427319.

It is not a de Polignac number, because 91372495 - 2³ = 91372487 is a prime.

It is a Duffinian number.

Its product of digits (68040) is a multiple of the sum of its prime divisors (810).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270967 + ... + 271303.

It is an arithmetic number, because the mean of its divisors is an integer number (6932718).

Almost surely, 2^91372495 is an apocalyptic number.

91372495 is a deficient number, since it is larger than the sum of its proper divisors (19550993).

91372495 is a wasteful number, since it uses less digits than its factorization.

91372495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 68040, while the sum is 40.

The square root of 91372495 is about 9558.8961182764. The cubic root of 91372495 is about 450.4070309012.

The spelling of 91372495 in words is "ninety-one million, three hundred seventy-two thousand, four hundred ninety-five".