74988198 has 12 divisors (see below), whose sum is σ = 162474468. Its totient is φ = 24996060.

The previous prime is 74988197. The next prime is 74988217. The reversal of 74988198 is 89188947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74988197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2082988 + ... + 2083023.

It is an arithmetic number, because the mean of its divisors is an integer number (13539539).

Almost surely, 2^74988198 is an apocalyptic number.

74988198 is an abundant number, since it is smaller than the sum of its proper divisors (87486270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74988198 is a wasteful number, since it uses less digits than its factorization.

74988198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166019 (or 4166016 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 74988198 is about 8659.5726222487. The cubic root of 74988198 is about 421.6942110631.

The spelling of 74988198 in words is "seventy-four million, nine hundred eighty-eight thousand, one hundred ninety-eight".