91873060 has 24 divisors (see below), whose sum is σ = 193238136. Its totient is φ = 36691200.

The previous prime is 91873043. The next prime is 91873097. The reversal of 91873060 is 6037819.

It can be written as a sum of positive squares in 4 ways, for example, as 16842816 + 75030244 = 4104^2 + 8662^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10744 + ... + 17296.

It is an arithmetic number, because the mean of its divisors is an integer number (8051589).

Almost surely, 2^91873060 is an apocalyptic number.

It is an amenable number.

91873060 is an abundant number, since it is smaller than the sum of its proper divisors (101365076).

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

91873060 is a wasteful number, since it uses less digits than its factorization.

91873060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263 (or 7261 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 91873060 is about 9585.0435575432. The cubic root of 91873060 is about 451.2280202511.

The spelling of 91873060 in words is "ninety-one million, eight hundred seventy-three thousand, sixty".