4272490 has 8 divisors (see below), whose sum is σ = 7690500. Its totient is φ = 1708992.

The previous prime is 4272481. The next prime is 4272497. The reversal of 4272490 is 942724.

It is a Cunningham number, because it is equal to 2067²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 4272489 + 1 = 2067^2 + 1^2 .

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

It is a d-powerful number, because it can be written as 4⁸ + 2¹¹ + 7⁴ + 2¹³ + 4¹¹ + 9 + 0 .

It is not an unprimeable number, because it can be changed into a prime (4272497) 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, 213615 + ... + 213634.

Almost surely, 2^4272490 is an apocalyptic number.

4272490 is a deficient number, since it is larger than the sum of its proper divisors (3418010).

4272490 is a wasteful number, since it uses less digits than its factorization.

4272490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427256.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4272490 is about 2067.0002418965. Note that the first 3 decimals coincide. The cubic root of 4272490 is about 162.2658086073.

The spelling of 4272490 in words is "four million, two hundred seventy-two thousand, four hundred ninety".