74256243 has 8 divisors (see below), whose sum is σ = 99052800. Its totient is φ = 49481928.

The previous prime is 74256241. The next prime is 74256251. The reversal of 74256243 is 34265247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74256243 - 2¹ = 74256241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74256241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5218 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (12381600).

Almost surely, 2^74256243 is an apocalyptic number.

74256243 is a deficient number, since it is larger than the sum of its proper divisors (24796557).

74256243 is a wasteful number, since it uses less digits than its factorization.

74256243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121.

The product of its digits is 40320, while the sum is 33.

The square root of 74256243 is about 8617.2062177947. The cubic root of 74256243 is about 420.3176791547.

The spelling of 74256243 in words is "seventy-four million, two hundred fifty-six thousand, two hundred forty-three".