91873050 has 48 divisors (see below), whose sum is σ = 230759040. Its totient is φ = 24186240.

The previous prime is 91873043. The next prime is 91873097. The reversal of 91873050 is 5037819.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7974 + ... + 15726.

It is an arithmetic number, because the mean of its divisors is an integer number (4807480).

Almost surely, 2^91873050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91873050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115379520).

91873050 is an abundant number, since it is smaller than the sum of its proper divisors (138885990).

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

91873050 is a wasteful number, since it uses less digits than its factorization.

91873050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847 (or 7842 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 91873050 is about 9585.0430358971. The cubic root of 91873050 is about 451.2280038797.

The spelling of 91873050 in words is "ninety-one million, eight hundred seventy-three thousand, fifty".