99912726 has 24 divisors (see below), whose sum is σ = 217573200. Its totient is φ = 33135696.

The previous prime is 99912719. The next prime is 99912727. The reversal of 99912726 is 62721999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99912727) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10365 + ... + 17528.

It is an arithmetic number, because the mean of its divisors is an integer number (9065550).

Almost surely, 2^99912726 is an apocalyptic number.

99912726 is an abundant number, since it is smaller than the sum of its proper divisors (117660474).

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

99912726 is a wasteful number, since it uses less digits than its factorization.

99912726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28100 (or 28097 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 99912726 is about 9995.6353474904. The cubic root of 99912726 is about 464.0238140522.

The spelling of 99912726 in words is "ninety-nine million, nine hundred twelve thousand, seven hundred twenty-six".