91114472 has 8 divisors (see below), whose sum is σ = 170839650. Its totient is φ = 45557232.

The previous prime is 91114447. The next prime is 91114493. The reversal of 91114472 is 27441119.

It can be written as a sum of positive squares in only one way, i.e., 89000356 + 2114116 = 9434^2 + 1454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5694647 + ... + 5694662.

Almost surely, 2^91114472 is an apocalyptic number.

It is an amenable number.

91114472 is a deficient number, since it is larger than the sum of its proper divisors (79725178).

91114472 is a wasteful number, since it uses less digits than its factorization.

91114472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11389315 (or 11389311 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 91114472 is about 9545.3900915573. The cubic root of 91114472 is about 449.9826692914.

The spelling of 91114472 in words is "ninety-one million, one hundred fourteen thousand, four hundred seventy-two".