99749902 has 8 divisors (see below), whose sum is σ = 170999856. Its totient is φ = 42749952.

The previous prime is 99749899. The next prime is 99749911. The reversal of 99749902 is 20994799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3562483 + ... + 3562510.

It is an arithmetic number, because the mean of its divisors is an integer number (21374982).

Almost surely, 2^99749902 is an apocalyptic number.

99749902 is a deficient number, since it is larger than the sum of its proper divisors (71249954).

99749902 is a wasteful number, since it uses less digits than its factorization.

99749902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125002.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 99749902 is about 9987.4872715814. The cubic root of 99749902 is about 463.7716096323.

The spelling of 99749902 in words is "ninety-nine million, seven hundred forty-nine thousand, nine hundred two".