4272418 has 4 divisors (see below), whose sum is σ = 6408630. Its totient is φ = 2136208.

The previous prime is 4272413. The next prime is 4272419. The reversal of 4272418 is 8142724.

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

It can be written as a sum of positive squares in only one way, i.e., 3674889 + 597529 = 1917^2 + 773^2 .

It is not an unprimeable number, because it can be changed into a prime (4272413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068103 + ... + 1068106.

Almost surely, 2^4272418 is an apocalyptic number.

4272418 is a deficient number, since it is larger than the sum of its proper divisors (2136212).

4272418 is a wasteful number, since it uses less digits than its factorization.

4272418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136211.

The product of its digits is 3584, while the sum is 28.

The square root of 4272418 is about 2066.9828252794. The cubic root of 4272418 is about 162.2648971011.

The spelling of 4272418 in words is "four million, two hundred seventy-two thousand, four hundred eighteen".