74512272 has 40 divisors (see below), whose sum is σ = 200862144. Its totient is φ = 23757184.

The previous prime is 74512271. The next prime is 74512289. The reversal of 74512272 is 27221547.

It is not an unprimeable number, because it can be changed into a prime (74512271) 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 in 7 ways as a sum of consecutive naturals, for example, 32643 + ... + 34850.

Almost surely, 2^74512272 is an apocalyptic number.

It is an amenable number.

74512272 is an abundant number, since it is smaller than the sum of its proper divisors (126349872).

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

74512272 is a wasteful number, since it uses less digits than its factorization.

74512272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67527 (or 67521 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 74512272 is about 8632.0491194154. The cubic root of 74512272 is about 420.8001978246.

The spelling of 74512272 in words is "seventy-four million, five hundred twelve thousand, two hundred seventy-two".