91759340 has 12 divisors (see below), whose sum is σ = 192694656. Its totient is φ = 36703728.

The previous prime is 91759333. The next prime is 91759363. The reversal of 91759340 is 4395719.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 91759294 and 91759303.

It is an unprimeable number.

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, 2293964 + ... + 2294003.

It is an arithmetic number, because the mean of its divisors is an integer number (16057888).

Almost surely, 2^91759340 is an apocalyptic number.

It is an amenable number.

91759340 is an abundant number, since it is smaller than the sum of its proper divisors (100935316).

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

91759340 is a wasteful number, since it uses less digits than its factorization.

91759340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587976 (or 4587974 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 91759340 is about 9579.1095619583. The cubic root of 91759340 is about 451.0417674767.

The spelling of 91759340 in words is "ninety-one million, seven hundred fifty-nine thousand, three hundred forty".