74227132 has 12 divisors (see below), whose sum is σ = 148454320. Its totient is φ = 31811616.

The previous prime is 74227121. The next prime is 74227177. The reversal of 74227132 is 23172247.

74227132 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 2650969 = 74227132 / (7 + 4 + 2 + 2 + 7 + 1 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 74227132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325457 + ... + 1325512.

Almost surely, 2^74227132 is an apocalyptic number.

It is an amenable number.

74227132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74227132 is a wasteful number, since it uses less digits than its factorization.

74227132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650980 (or 2650978 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 74227132 is about 8615.5169316762. The cubic root of 74227132 is about 420.2627456489.

Adding to 74227132 its reverse (23172247), we get a palindrome (97399379).

The spelling of 74227132 in words is "seventy-four million, two hundred twenty-seven thousand, one hundred thirty-two".