4478373 has 6 divisors (see below), whose sum is σ = 6468774. Its totient is φ = 2985576.

The previous prime is 4478359. The next prime is 4478381. The reversal of 4478373 is 3738744.

It can be written as a sum of positive squares in only one way, i.e., 2883204 + 1595169 = 1698^2 + 1263^2 .

It is not a de Polignac number, because 4478373 - 2¹⁰ = 4477349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248790 + ... + 248807.

It is an arithmetic number, because the mean of its divisors is an integer number (1078129).

Almost surely, 2^4478373 is an apocalyptic number.

It is an amenable number.

4478373 is a deficient number, since it is larger than the sum of its proper divisors (1990401).

4478373 is a wasteful number, since it uses less digits than its factorization.

4478373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497603 (or 497600 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 4478373 is about 2116.2166713264. The cubic root of 4478373 is about 164.8314532332.

It can be divided in two parts, 4478 and 373, that added together give a triangular number (4851 = T₉₈).

The spelling of 4478373 in words is "four million, four hundred seventy-eight thousand, three hundred seventy-three".