4078672 has 20 divisors (see below), whose sum is σ = 8510740. Its totient is φ = 1882368.

The previous prime is 4078667. The next prime is 4078687. The reversal of 4078672 is 2768704.

4078672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 1336336 = 1656^2 + 1156^2 .

It is a congruent number.

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, 9597 + ... + 10012.

It is an arithmetic number, because the mean of its divisors is an integer number (425537).

Almost surely, 2^4078672 is an apocalyptic number.

It is an amenable number.

4078672 is an abundant number, since it is smaller than the sum of its proper divisors (4432068).

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

4078672 is a wasteful number, since it uses less digits than its factorization.

4078672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19630 (or 19624 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 4078672 is about 2019.5722319343. The cubic root of 4078672 is about 159.7740560836.

The spelling of 4078672 in words is "four million, seventy-eight thousand, six hundred seventy-two".