4257712 has 20 divisors (see below), whose sum is σ = 8287416. Its totient is φ = 2119040.

The previous prime is 4257697. The next prime is 4257733. The reversal of 4257712 is 2177524.

It is a super-2 number, since 2×4257712² = 36256222949888, which contains 22 as substring.

It is an unprimeable number.

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, 4023 + ... + 4969.

Almost surely, 2^4257712 is an apocalyptic number.

It is an amenable number.

4257712 is a deficient number, since it is larger than the sum of its proper divisors (4029704).

4257712 is a wasteful number, since it uses less digits than its factorization.

4257712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1230 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 4257712 is about 2063.4223998009. The cubic root of 4257712 is about 162.0785068859.

The spelling of 4257712 in words is "four million, two hundred fifty-seven thousand, seven hundred twelve".