91967272 has 16 divisors (see below), whose sum is σ = 172641600. Its totient is φ = 45929520.

The previous prime is 91967261. The next prime is 91967273. The reversal of 91967272 is 27276919.

It is a super-3 number, since 3×91967272³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (91967273) 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, 979 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (10790100).

Almost surely, 2^91967272 is an apocalyptic number.

It is an amenable number.

91967272 is a deficient number, since it is larger than the sum of its proper divisors (80674328).

91967272 is a wasteful number, since it uses less digits than its factorization.

91967272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13536 (or 13532 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 91967272 is about 9589.9568299341. The cubic root of 91967272 is about 451.3822060788.

The spelling of 91967272 in words is "ninety-one million, nine hundred sixty-seven thousand, two hundred seventy-two".