74331522 has 12 divisors (see below), whose sum is σ = 161051670. Its totient is φ = 24777168.

The previous prime is 74331503. The next prime is 74331527. The reversal of 74331522 is 22513347.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 17313921 = 7551^2 + 4161^2 .

It is not an unprimeable number, because it can be changed into a prime (74331527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2064747 + ... + 2064782.

Almost surely, 2^74331522 is an apocalyptic number.

74331522 is an abundant number, since it is smaller than the sum of its proper divisors (86720148).

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

74331522 is a wasteful number, since it uses less digits than its factorization.

74331522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129537 (or 4129534 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 74331522 is about 8621.5730583229. The cubic root of 74331522 is about 420.4596668046.

Adding to 74331522 its reverse (22513347), we get a palindrome (96844869).

The spelling of 74331522 in words is "seventy-four million, three hundred thirty-one thousand, five hundred twenty-two".