4272447 has 4 divisors (see below), whose sum is σ = 5696600. Its totient is φ = 2848296.

The previous prime is 4272419. The next prime is 4272449. The reversal of 4272447 is 7442724.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-4272447 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712072 + ... + 712077.

It is an arithmetic number, because the mean of its divisors is an integer number (1424150).

Almost surely, 2^4272447 is an apocalyptic number.

4272447 is a deficient number, since it is larger than the sum of its proper divisors (1424153).

4272447 is a wasteful number, since it uses less digits than its factorization.

4272447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424152.

The product of its digits is 12544, while the sum is 30.

The square root of 4272447 is about 2066.9898403234. The cubic root of 4272447 is about 162.2652642368.

The spelling of 4272447 in words is "four million, two hundred seventy-two thousand, four hundred forty-seven".