74702198 has 8 divisors (see below), whose sum is σ = 112201320. Its totient is φ = 37301760.

The previous prime is 74702189. The next prime is 74702209. The reversal of 74702198 is 89120747.

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, 22748 + ... + 25823.

It is an arithmetic number, because the mean of its divisors is an integer number (14025165).

Almost surely, 2^74702198 is an apocalyptic number.

74702198 is a deficient number, since it is larger than the sum of its proper divisors (37499122).

74702198 is a wasteful number, since it uses less digits than its factorization.

74702198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49342.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 74702198 is about 8643.0433297537. The cubic root of 74702198 is about 421.1574235010.

The spelling of 74702198 in words is "seventy-four million, seven hundred two thousand, one hundred ninety-eight".