74115722 has 4 divisors (see below), whose sum is σ = 111173586. Its totient is φ = 37057860.

The previous prime is 74115721. The next prime is 74115731. The reversal of 74115722 is 22751147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74114881 + 841 = 8609^2 + 29^2 .

It is not an unprimeable number, because it can be changed into a prime (74115721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18528929 + ... + 18528932.

Almost surely, 2^74115722 is an apocalyptic number.

74115722 is a deficient number, since it is larger than the sum of its proper divisors (37057864).

74115722 is a wasteful number, since it uses less digits than its factorization.

74115722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37057863.

The product of its digits is 3920, while the sum is 29.

The square root of 74115722 is about 8609.0488440942. The cubic root of 74115722 is about 420.0523781993.

Adding to 74115722 its reverse (22751147), we get a palindrome (96866869).

The spelling of 74115722 in words is "seventy-four million, one hundred fifteen thousand, seven hundred twenty-two".