91942475 has 6 divisors (see below), whose sum is σ = 114008700. Its totient is φ = 73553960.

The previous prime is 91942469. The next prime is 91942489. The reversal of 91942475 is 57424919.

It is not a de Polignac number, because 91942475 - 2¹⁴ = 91926091 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 1838825 + ... + 1838874.

It is an arithmetic number, because the mean of its divisors is an integer number (19001450).

Almost surely, 2^91942475 is an apocalyptic number.

91942475 is a deficient number, since it is larger than the sum of its proper divisors (22066225).

91942475 is a wasteful number, since it uses less digits than its factorization.

91942475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677709 (or 3677704 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 91942475 is about 9588.6638798114. The cubic root of 91942475 is about 451.3416339258.

The spelling of 91942475 in words is "ninety-one million, nine hundred forty-two thousand, four hundred seventy-five".