4478672 has 20 divisors (see below), whose sum is σ = 9466656. Its totient is φ = 2035680.

The previous prime is 4478671. The next prime is 4478687. The reversal of 4478672 is 2768744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478671) 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, 12548 + ... + 12899.

Almost surely, 2^4478672 is an apocalyptic number.

It is an amenable number.

4478672 is an abundant number, since it is smaller than the sum of its proper divisors (4987984).

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

4478672 is a wasteful number, since it uses less digits than its factorization.

4478672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25466 (or 25460 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 4478672 is about 2116.2873150874. The cubic root of 4478672 is about 164.8351214931.

It can be divided in two parts, 447 and 8672, that added together give a palindrome (9119).

The spelling of 4478672 in words is "four million, four hundred seventy-eight thousand, six hundred seventy-two".