99904772 has 24 divisors (see below), whose sum is σ = 193579680. Its totient is φ = 44732160.

The previous prime is 99904757. The next prime is 99904799. The reversal of 99904772 is 27740999.

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 7 ways as a sum of consecutive naturals, for example, 13997 + ... + 19892.

It is an arithmetic number, because the mean of its divisors is an integer number (8065820).

Almost surely, 2^99904772 is an apocalyptic number.

It is an amenable number.

99904772 is a deficient number, since it is larger than the sum of its proper divisors (93674908).

99904772 is a wasteful number, since it uses less digits than its factorization.

99904772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33971 (or 33969 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 99904772 is about 9995.2374659135. The cubic root of 99904772 is about 464.0115001609.

The spelling of 99904772 in words is "ninety-nine million, nine hundred four thousand, seven hundred seventy-two".