4473280 has 56 divisors (see below), whose sum is σ = 12179808. Its totient is φ = 1532928.

The previous prime is 4473277. The next prime is 4473281. The reversal of 4473280 is 823744.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 7⁵ + 3² + 2³ + 8 + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4473281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242 + ... + 3238.

Almost surely, 2^4473280 is an apocalyptic number.

4473280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4473280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6089904).

4473280 is an abundant number, since it is smaller than the sum of its proper divisors (7706528).

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

4473280 is a wasteful number, since it uses less digits than its factorization.

4473280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4473280 is about 2115.0130023241. The cubic root of 4473280 is about 164.7689450391.

It can be divided in two parts, 4473 and 280, that added together give a triangular number (4753 = T₉₇).

The spelling of 4473280 in words is "four million, four hundred seventy-three thousand, two hundred eighty".