74198016 has 132 divisors (see below), whose sum is σ = 219061752. Its totient is φ = 24182784.

The previous prime is 74198009. The next prime is 74198017. The reversal of 74198016 is 61089147.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74198017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 764880 + ... + 764976.

Almost surely, 2^74198016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74198016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109530876).

74198016 is an abundant number, since it is smaller than the sum of its proper divisors (144863736).

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

74198016 is a wasteful number, since it uses less digits than its factorization.

74198016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 74198016 is about 8613.8270240353. The cubic root of 74198016 is about 420.2077883395.

The spelling of 74198016 in words is "seventy-four million, one hundred ninety-eight thousand, sixteen".