99743612 has 12 divisors (see below), whose sum is σ = 175623336. Its totient is φ = 49565520.

The previous prime is 99743591. The next prime is 99743621. The reversal of 99743612 is 21634799.

It is a self number, because there is not a number n which added to its sum of digits gives 99743612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75839 + ... + 77142.

It is an arithmetic number, because the mean of its divisors is an integer number (14635278).

Almost surely, 2^99743612 is an apocalyptic number.

It is an amenable number.

99743612 is a deficient number, since it is larger than the sum of its proper divisors (75879724).

99743612 is a wasteful number, since it uses less digits than its factorization.

99743612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153148 (or 153146 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 99743612 is about 9987.1723725988. The cubic root of 99743612 is about 463.7618613028.

The spelling of 99743612 in words is "ninety-nine million, seven hundred forty-three thousand, six hundred twelve".