74198754 has 80 divisors (see below), whose sum is σ = 193406400. Its totient is φ = 20821536.

The previous prime is 74198749. The next prime is 74198767. The reversal of 74198754 is 45789147.

It is a happy number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 66352 + ... + 67460.

It is an arithmetic number, because the mean of its divisors is an integer number (2417580).

Almost surely, 2^74198754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74198754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96703200).

74198754 is an abundant number, since it is smaller than the sum of its proper divisors (119207646).

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

74198754 is a wasteful number, since it uses less digits than its factorization.

74198754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1180 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 74198754 is about 8613.8698620307. The cubic root of 74198754 is about 420.2091815139.

The spelling of 74198754 in words is "seventy-four million, one hundred ninety-eight thousand, seven hundred fifty-four".