91632873 has 16 divisors (see below), whose sum is σ = 129612096. Its totient is φ = 57384960.

The previous prime is 91632847. The next prime is 91632881. The reversal of 91632873 is 37823619.

It is not a de Polignac number, because 91632873 - 2¹⁰ = 91631849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91632833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31290 + ... + 34092.

It is an arithmetic number, because the mean of its divisors is an integer number (8100756).

Almost surely, 2^91632873 is an apocalyptic number.

It is an amenable number.

91632873 is a deficient number, since it is larger than the sum of its proper divisors (37979223).

91632873 is a wasteful number, since it uses less digits than its factorization.

91632873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464.

The product of its digits is 54432, while the sum is 39.

The square root of 91632873 is about 9572.5060981960. The cubic root of 91632873 is about 450.8344566089.

The spelling of 91632873 in words is "ninety-one million, six hundred thirty-two thousand, eight hundred seventy-three".