91970675 has 24 divisors (see below), whose sum is σ = 121063680. Its totient is φ = 69159200.

The previous prime is 91970651. The next prime is 91970689. The reversal of 91970675 is 57607919.

It is not a de Polignac number, because 91970675 - 2⁶ = 91970611 is a prime.

It is a super-3 number, since 3×91970675³ (a number of 25 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 32570 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (5044320).

Almost surely, 2^91970675 is an apocalyptic number.

91970675 is a deficient number, since it is larger than the sum of its proper divisors (29093005).

91970675 is a wasteful number, since it uses less digits than its factorization.

91970675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 91970675 is about 9590.1342534920. The cubic root of 91970675 is about 451.3877734025.

The spelling of 91970675 in words is "ninety-one million, nine hundred seventy thousand, six hundred seventy-five".