74523272 has 16 divisors (see below), whose sum is σ = 144549900. Its totient is φ = 35976640.

The previous prime is 74523269. The next prime is 74523277. The reversal of 74523272 is 27232547.

It can be written as a sum of positive squares in 2 ways, for example, as 66031876 + 8491396 = 8126^2 + 2914^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (74523277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160379 + ... + 160842.

Almost surely, 2^74523272 is an apocalyptic number.

It is an amenable number.

74523272 is a deficient number, since it is larger than the sum of its proper divisors (70026628).

74523272 is a wasteful number, since it uses less digits than its factorization.

74523272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321256 (or 321252 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 74523272 is about 8632.6862563167. The cubic root of 74523272 is about 420.8209039190.

The spelling of 74523272 in words is "seventy-four million, five hundred twenty-three thousand, two hundred seventy-two".