91714688 has 32 divisors (see below), whose sum is σ = 196771260. Its totient is φ = 42329088.

The previous prime is 91714681. The next prime is 91714697. The reversal of 91714688 is 88641719.

It can be written as a sum of positive squares in 2 ways, for example, as 90478144 + 1236544 = 9512^2 + 1112^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (91714681) by changing a digit.

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, 25895 + ... + 29222.

Almost surely, 2^91714688 is an apocalyptic number.

It is an amenable number.

91714688 is an abundant number, since it is smaller than the sum of its proper divisors (105056572).

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

91714688 is a wasteful number, since it uses less digits than its factorization.

91714688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55144 (or 55132 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 91714688 is about 9576.7785815482. The cubic root of 91714688 is about 450.9685935098.

The spelling of 91714688 in words is "ninety-one million, seven hundred fourteen thousand, six hundred eighty-eight".