91374 has 16 divisors (see below), whose sum is σ = 185808. Its totient is φ = 29952.

The previous prime is 91373. The next prime is 91381. The reversal of 91374 is 47319.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504 + ... + 660.

It is an arithmetic number, because the mean of its divisors is an integer number (11613).

2⁹¹³⁷⁴ is an apocalyptic number.

91374 is an abundant number, since it is smaller than the sum of its proper divisors (94434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92904).

91374 is a wasteful number, since it uses less digits than its factorization.

91374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its digits is 756, while the sum is 24.

The square root of 91374 is about 302.2813259201. The cubic root of 91374 is about 45.0409503778.

It can be divided in two parts, 91 and 374, that added together give a triangular number (465 = T₃₀).

The spelling of 91374 in words is "ninety-one thousand, three hundred seventy-four".