4078768 has 20 divisors (see below), whose sum is σ = 8319160. Its totient is φ = 1931904.

The previous prime is 4078757. The next prime is 4078771. The reversal of 4078768 is 8678704.

It is a self number, because there is not a number n which added to its sum of digits gives 4078768.

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, 6405 + ... + 7012.

It is an arithmetic number, because the mean of its divisors is an integer number (415958).

Almost surely, 2^4078768 is an apocalyptic number.

It is an amenable number.

4078768 is an abundant number, since it is smaller than the sum of its proper divisors (4240392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4078768 is a wasteful number, since it uses less digits than its factorization.

4078768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13444 (or 13438 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 4078768 is about 2019.5959992038. The cubic root of 4078768 is about 159.7753096116.

The spelling of 4078768 in words is "four million, seventy-eight thousand, seven hundred sixty-eight".