4478772 has 12 divisors (see below), whose sum is σ = 10450496. Its totient is φ = 1492920.

The previous prime is 4478741. The next prime is 4478777. The reversal of 4478772 is 2778744.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 4478772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478777) 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, 186604 + ... + 186627.

Almost surely, 2^4478772 is an apocalyptic number.

It is an amenable number.

4478772 is an abundant number, since it is smaller than the sum of its proper divisors (5971724).

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

4478772 is a wasteful number, since it uses less digits than its factorization.

4478772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373238 (or 373236 counting only the distinct ones).

The product of its digits is 87808, while the sum is 39.

The square root of 4478772 is about 2116.3109412371. The cubic root of 4478772 is about 164.8363482994.

The spelling of 4478772 in words is "four million, four hundred seventy-eight thousand, seven hundred seventy-two".