74194818 has 16 divisors (see below), whose sum is σ = 153506880. Its totient is φ = 23878736.

The previous prime is 74194781. The next prime is 74194819. The reversal of 74194818 is 81849147.

It is a self number, because there is not a number n which added to its sum of digits gives 74194818.

It is not an unprimeable number, because it can be changed into a prime (74194819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213030 + ... + 213377.

It is an arithmetic number, because the mean of its divisors is an integer number (9594180).

Almost surely, 2^74194818 is an apocalyptic number.

74194818 is an abundant number, since it is smaller than the sum of its proper divisors (79312062).

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

74194818 is a wasteful number, since it uses less digits than its factorization.

74194818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426441.

The product of its digits is 64512, while the sum is 42.

The square root of 74194818 is about 8613.6413902600. The cubic root of 74194818 is about 420.2017511439.

It can be divided in two parts, 741 and 94818, that added together give a palindrome (95559).

The spelling of 74194818 in words is "seventy-four million, one hundred ninety-four thousand, eight hundred eighteen".