99731076 has 48 divisors (see below), whose sum is σ = 247262400. Its totient is φ = 31197312.

The previous prime is 99731069. The next prime is 99731081. The reversal of 99731076 is 67013799.

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 15 ways as a sum of consecutive naturals, for example, 22846 + ... + 26858.

It is an arithmetic number, because the mean of its divisors is an integer number (5151300).

Almost surely, 2^99731076 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 99731076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123631200).

99731076 is an abundant number, since it is smaller than the sum of its proper divisors (147531324).

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

99731076 is a wasteful number, since it uses less digits than its factorization.

99731076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4148 (or 4146 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 99731076 is about 9986.5447478094. The cubic root of 99731076 is about 463.7424316132.

The spelling of 99731076 in words is "ninety-nine million, seven hundred thirty-one thousand, seventy-six".