99731004 has 24 divisors (see below), whose sum is σ = 236651520. Its totient is φ = 32679984.

The previous prime is 99731003. The next prime is 99731033. The reversal of 99731004 is 40013799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99731003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69724 + ... + 71139.

It is an arithmetic number, because the mean of its divisors is an integer number (9860480).

Almost surely, 2^99731004 is an apocalyptic number.

It is an amenable number.

99731004 is an abundant number, since it is smaller than the sum of its proper divisors (136920516).

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

99731004 is a wasteful number, since it uses less digits than its factorization.

99731004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140929 (or 140927 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 99731004 is about 9986.5411429584. The cubic root of 99731004 is about 463.7423200148.

The spelling of 99731004 in words is "ninety-nine million, seven hundred thirty-one thousand, four".