99912735 has 96 divisors (see below), whose sum is σ = 200491200. Its totient is φ = 45619200.

The previous prime is 99912733. The next prime is 99912797. The reversal of 99912735 is 53721999.

It is a happy number.

It is not a de Polignac number, because 99912735 - 2¹ = 99912733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99912731) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 989185 + ... + 989285.

It is an arithmetic number, because the mean of its divisors is an integer number (2088450).

Almost surely, 2^99912735 is an apocalyptic number.

99912735 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

99912735 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

99912735 is a wasteful number, since it uses less digits than its factorization.

99912735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 230 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 99912735 is about 9995.6357976869. The cubic root of 99912735 is about 464.0238279851.

The spelling of 99912735 in words is "ninety-nine million, nine hundred twelve thousand, seven hundred thirty-five".