74072322 has 48 divisors (see below), whose sum is σ = 170122680. Its totient is φ = 23251200.

The previous prime is 74072309. The next prime is 74072333. The reversal of 74072322 is 22327047.

It can be written as a sum of positive squares in 4 ways, for example, as 34117281 + 39955041 = 5841^2 + 6321^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19672 + ... + 23132.

Almost surely, 2^74072322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74072322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85061340).

74072322 is an abundant number, since it is smaller than the sum of its proper divisors (96050358).

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

74072322 is a wasteful number, since it uses less digits than its factorization.

74072322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3536 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 74072322 is about 8606.5278713312. The cubic root of 74072322 is about 419.9703720597.

Adding to 74072322 its reverse (22327047), we get a palindrome (96399369).

The spelling of 74072322 in words is "seventy-four million, seventy-two thousand, three hundred twenty-two".