74252272 has 20 divisors (see below), whose sum is σ = 143997480. Its totient is φ = 37091648.

The previous prime is 74252263. The next prime is 74252291. The reversal of 74252272 is 27225247.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31983 + ... + 34225.

It is an arithmetic number, because the mean of its divisors is an integer number (7199874).

Almost surely, 2^74252272 is an apocalyptic number.

It is an amenable number.

74252272 is a deficient number, since it is larger than the sum of its proper divisors (69745208).

74252272 is a wasteful number, since it uses less digits than its factorization.

74252272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 4314 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 74252272 is about 8616.9758036100. The cubic root of 74252272 is about 420.3101865804.

The spelling of 74252272 in words is "seventy-four million, two hundred fifty-two thousand, two hundred seventy-two".