91714128 has 60 divisors (see below), whose sum is σ = 260441664. Its totient is φ = 27790400.

The previous prime is 91714111. The next prime is 91714169. The reversal of 91714128 is 82141719.

It is a super-2 number, since 2×91714128² = 16822962549600768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2088 + ... + 13703.

Almost surely, 2^91714128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91714128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130220832).

91714128 is an abundant number, since it is smaller than the sum of its proper divisors (168727536).

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

91714128 is a wasteful number, since it uses less digits than its factorization.

91714128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824 (or 15807 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 91714128 is about 9576.7493441146. The cubic root of 91714128 is about 450.9676756527.

The spelling of 91714128 in words is "ninety-one million, seven hundred fourteen thousand, one hundred twenty-eight".