4272706 has 4 divisors (see below), whose sum is σ = 6409062. Its totient is φ = 2136352.

The previous prime is 4272703. The next prime is 4272707. The reversal of 4272706 is 6072724.

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., 3980025 + 292681 = 1995^2 + 541^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4272703) 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, 1068175 + ... + 1068178.

Almost surely, 2^4272706 is an apocalyptic number.

4272706 is a deficient number, since it is larger than the sum of its proper divisors (2136356).

4272706 is a wasteful number, since it uses less digits than its factorization.

4272706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136355.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 4272706 is about 2067.0524908671. The cubic root of 4272706 is about 162.2685430646.

The spelling of 4272706 in words is "four million, two hundred seventy-two thousand, seven hundred six".