91118374 has 8 divisors (see below), whose sum is σ = 136719288. Its totient is φ = 45545280.

The previous prime is 91118371. The next prime is 91118389. The reversal of 91118374 is 47381119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×91118374³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91118371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6249 + ... + 14875.

It is an arithmetic number, because the mean of its divisors is an integer number (17089911).

Almost surely, 2^91118374 is an apocalyptic number.

91118374 is a deficient number, since it is larger than the sum of its proper divisors (45600914).

91118374 is a wasteful number, since it uses less digits than its factorization.

91118374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13910.

The product of its digits is 6048, while the sum is 34.

The square root of 91118374 is about 9545.5944812254. The cubic root of 91118374 is about 449.9890927397.

The spelling of 91118374 in words is "ninety-one million, one hundred eighteen thousand, three hundred seventy-four".