4067247 has 4 divisors (see below), whose sum is σ = 5423000. Its totient is φ = 2711496.

The previous prime is 4067243. The next prime is 4067257. The reversal of 4067247 is 7427604.

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

It is not a de Polignac number, because 4067247 - 2² = 4067243 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 (4067243) 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, 677872 + ... + 677877.

It is an arithmetic number, because the mean of its divisors is an integer number (1355750).

Almost surely, 2^4067247 is an apocalyptic number.

4067247 is a deficient number, since it is larger than the sum of its proper divisors (1355753).

4067247 is a wasteful number, since it uses less digits than its factorization.

4067247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355752.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 4067247 is about 2016.7416790457. The cubic root of 4067247 is about 159.6247325067.

The spelling of 4067247 in words is "four million, sixty-seven thousand, two hundred forty-seven".