91472 has 10 divisors (see below), whose sum is σ = 177258. Its totient is φ = 45728.

The previous prime is 91463. The next prime is 91493. The reversal of 91472 is 27419.

It can be written as a sum of positive squares in only one way, i.e., 80656 + 10816 = 284^2 + 104^2 .

It is a congruent number.

It is an unprimeable number.

91472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843 + ... + 2874.

2⁹¹⁴⁷² is an apocalyptic number.

It is an amenable number.

91472 is a deficient number, since it is larger than the sum of its proper divisors (85786).

91472 is a wasteful number, since it uses less digits than its factorization.

91472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725 (or 5719 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 91472 is about 302.4433831315. The cubic root of 91472 is about 45.0570469919.

The spelling of 91472 in words is "ninety-one thousand, four hundred seventy-two".