74225532 has 48 divisors (see below), whose sum is σ = 181766144. Its totient is φ = 23544000.

The previous prime is 74225521. The next prime is 74225551. The reversal of 74225532 is 23552247.

It is a self number, because there is not a number n which added to its sum of digits gives 74225532.

It is a congruent number.

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, 21057 + ... + 24327.

Almost surely, 2^74225532 is an apocalyptic number.

It is an amenable number.

74225532 is an abundant number, since it is smaller than the sum of its proper divisors (107540612).

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

74225532 is a wasteful number, since it uses less digits than its factorization.

74225532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3368 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 74225532 is about 8615.4240754591. The cubic root of 74225532 is about 420.2597259749.

Adding to 74225532 its reverse (23552247), we get a palindrome (97777779).

The spelling of 74225532 in words is "seventy-four million, two hundred twenty-five thousand, five hundred thirty-two".