99974842 has 8 divisors (see below), whose sum is σ = 163595232. Its totient is φ = 45443100.

The previous prime is 99974821. The next prime is 99974863. The reversal of 99974842 is 24847999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99974821) and next prime (99974863).

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

It is a self number, because there is not a number n which added to its sum of digits gives 99974842.

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, 2272134 + ... + 2272177.

It is an arithmetic number, because the mean of its divisors is an integer number (20449404).

Almost surely, 2^99974842 is an apocalyptic number.

99974842 is a deficient number, since it is larger than the sum of its proper divisors (63620390).

99974842 is a wasteful number, since it uses less digits than its factorization.

99974842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544324.

The product of its digits is 1306368, while the sum is 52.

The square root of 99974842 is about 9998.7420208744. The cubic root of 99974842 is about 464.1199557327.

The spelling of 99974842 in words is "ninety-nine million, nine hundred seventy-four thousand, eight hundred forty-two".