91169074 has 8 divisors (see below), whose sum is σ = 136942380. Its totient is φ = 45521616.

The previous prime is 91169059. The next prime is 91169123. The reversal of 91169074 is 47096119.

It can be written as a sum of positive squares in 2 ways, for example, as 90155025 + 1014049 = 9495^2 + 1007^2 .

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

It is a super-3 number, since 3×91169074³ (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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29629 + ... + 32560.

Almost surely, 2^91169074 is an apocalyptic number.

91169074 is a deficient number, since it is larger than the sum of its proper divisors (45773306).

91169074 is a wasteful number, since it uses less digits than its factorization.

91169074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62924.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 91169074 is about 9548.2497872647. The cubic root of 91169074 is about 450.0725381008.

The spelling of 91169074 in words is "ninety-one million, one hundred sixty-nine thousand, seventy-four".