74299198 has 8 divisors (see below), whose sum is σ = 113820192. Its totient is φ = 36359136.

The previous prime is 74299171. The next prime is 74299201. The reversal of 74299198 is 89199247.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395115 + ... + 395302.

It is an arithmetic number, because the mean of its divisors is an integer number (14227524).

Almost surely, 2^74299198 is an apocalyptic number.

74299198 is a deficient number, since it is larger than the sum of its proper divisors (39520994).

74299198 is a wasteful number, since it uses less digits than its factorization.

74299198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790466.

The product of its digits is 326592, while the sum is 49.

The square root of 74299198 is about 8619.6982545794. The cubic root of 74299198 is about 420.3987105712.

Adding to 74299198 its sum of digits (49), we get a palindrome (74299247).

The spelling of 74299198 in words is "seventy-four million, two hundred ninety-nine thousand, one hundred ninety-eight".