74222340 has 48 divisors (see below), whose sum is σ = 220050432. Its totient is φ = 18628096.

The previous prime is 74222329. The next prime is 74222377. The reversal of 74222340 is 4322247.

It is a self number, because there is not a number n which added to its sum of digits gives 74222340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35364 + ... + 37403.

It is an arithmetic number, because the mean of its divisors is an integer number (4584384).

Almost surely, 2^74222340 is an apocalyptic number.

It is an amenable number.

74222340 is an abundant number, since it is smaller than the sum of its proper divisors (145828092).

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

74222340 is a wasteful number, since it uses less digits than its factorization.

74222340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72796 (or 72794 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 74222340 is about 8615.2388243159. The cubic root of 74222340 is about 420.2537015956.

Adding to 74222340 its reverse (4322247), we get a palindrome (78544587).

The spelling of 74222340 in words is "seventy-four million, two hundred twenty-two thousand, three hundred forty".