99673902 has 40 divisors (see below), whose sum is σ = 225681456. Its totient is φ = 32876928.

The previous prime is 99673901. The next prime is 99673909. The reversal of 99673902 is 20937699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99673901) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12543 + ... + 18885.

Almost surely, 2^99673902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99673902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112840728).

99673902 is an abundant number, since it is smaller than the sum of its proper divisors (126007554).

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

99673902 is a wasteful number, since it uses less digits than its factorization.

99673902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 99673902 is about 9983.6817857943. The cubic root of 99673902 is about 463.6537963247.

The spelling of 99673902 in words is "ninety-nine million, six hundred seventy-three thousand, nine hundred two".