74008242 has 160 divisors (see below), whose sum is σ = 219542400. Its totient is φ = 18040320.

The previous prime is 74008229. The next prime is 74008279. The reversal of 74008242 is 24280047.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 211884 + ... + 212232.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^74008242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74008242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109771200).

74008242 is an abundant number, since it is smaller than the sum of its proper divisors (145534158).

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

74008242 is a wasteful number, since it uses less digits than its factorization.

74008242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 74008242 is about 8602.8043102235. The cubic root of 74008242 is about 419.8492315991.

Adding to 74008242 its reverse (24280047), we get a palindrome (98288289).

The spelling of 74008242 in words is "seventy-four million, eight thousand, two hundred forty-two".