99800742 has 16 divisors (see below), whose sum is σ = 202985280. Its totient is φ = 32702952.

The previous prime is 99800713. The next prime is 99800783. The reversal of 99800742 is 24700899.

It is a self number, because there is not a number n which added to its sum of digits gives 99800742.

It is a congruent number.

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, 140608 + ... + 141315.

It is an arithmetic number, because the mean of its divisors is an integer number (12686580).

Almost surely, 2^99800742 is an apocalyptic number.

99800742 is an abundant number, since it is smaller than the sum of its proper divisors (103184538).

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

99800742 is a wasteful number, since it uses less digits than its factorization.

99800742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281987.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 99800742 is about 9990.0321320805. The cubic root of 99800742 is about 463.8503871334.

The spelling of 99800742 in words is "ninety-nine million, eight hundred thousand, seven hundred forty-two".