4278724 has 12 divisors (see below), whose sum is σ = 7882000. Its totient is φ = 2026728.

The previous prime is 4278709. The next prime is 4278731.

4278724 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4278724.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28074 + ... + 28225.

Almost surely, 2^4278724 is an apocalyptic number.

It is an amenable number.

4278724 is a deficient number, since it is larger than the sum of its proper divisors (3603276).

4278724 is a wasteful number, since it uses less digits than its factorization.

4278724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56322 (or 56320 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 4278724 is about 2068.5076746292. The cubic root of 4278724 is about 162.3446910589.

The spelling of 4278724 in words is "four million, two hundred seventy-eight thousand, seven hundred twenty-four".