91794475 has 24 divisors (see below), whose sum is σ = 121117248. Its totient is φ = 68774400.

The previous prime is 91794433. The next prime is 91794481. The reversal of 91794475 is 57449719.

91794475 is a nontrivial binomial coefficient, being equal to C(13550, 2).

It is not a de Polignac number, because 91794475 - 2²¹ = 89697323 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114777 + ... + 115573.

It is an arithmetic number, because the mean of its divisors is an integer number (5046552).

Almost surely, 2^91794475 is an apocalyptic number.

91794475 is the 13549-th triangular number and also the 6775-th hexagonal number.

91794475 is the 4517-th centered nonagonal number.

91794475 is a deficient number, since it is larger than the sum of its proper divisors (29322773).

91794475 is a wasteful number, since it uses less digits than its factorization.

91794475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1090 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 91794475 is about 9580.9433251638. The cubic root of 91794475 is about 451.0993286662.

The spelling of 91794475 in words is "ninety-one million, seven hundred ninety-four thousand, four hundred seventy-five".