6863728 has 20 divisors (see below), whose sum is σ = 13624128. Its totient is φ = 3347840.

The previous prime is 6863723. The next prime is 6863737. The reversal of 6863728 is 8273686.

It is a happy number.

6863728 is nontrivially palindromic in base 6.

It is a super-2 number, since 2×6863728² = 94221524115968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6863723) 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, 4576 + ... + 5887.

Almost surely, 2^6863728 is an apocalyptic number.

It is an amenable number.

6863728 is a deficient number, since it is larger than the sum of its proper divisors (6760400).

6863728 is a wasteful number, since it uses less digits than its factorization.

6863728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10512 (or 10506 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 6863728 is about 2619.8717525864. The cubic root of 6863728 is about 190.0436464825.

The spelling of 6863728 in words is "six million, eight hundred sixty-three thousand, seven hundred twenty-eight".