91750560 has 96 divisors (see below), whose sum is σ = 315306432. Its totient is φ = 22241280.

The previous prime is 91750553. The next prime is 91750597. The reversal of 91750560 is 6505719.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409 + ... + 13968.

It is an arithmetic number, because the mean of its divisors is an integer number (3284442).

Almost surely, 2^91750560 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 91750560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157653216).

91750560 is an abundant number, since it is smaller than the sum of its proper divisors (223555872).

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

91750560 is a wasteful number, since it uses less digits than its factorization.

91750560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17406 (or 17398 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 91750560 is about 9578.6512620515. The cubic root of 91750560 is about 451.0273810283.

The spelling of 91750560 in words is "ninety-one million, seven hundred fifty thousand, five hundred sixty".