4487273 has 6 divisors (see below), whose sum is σ = 5219946. Its totient is φ = 3846192.

The previous prime is 4487243. The next prime is 4487297. The reversal of 4487273 is 3727844.

It can be written as a sum of positive squares in only one way, i.e., 2917264 + 1570009 = 1708^2 + 1253^2 .

It is not a de Polignac number, because 4487273 - 2²² = 292969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4487213) 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, 45740 + ... + 45837.

It is an arithmetic number, because the mean of its divisors is an integer number (869991).

Almost surely, 2^4487273 is an apocalyptic number.

It is an amenable number.

4487273 is a deficient number, since it is larger than the sum of its proper divisors (732673).

4487273 is an equidigital number, since it uses as much as digits as its factorization.

4487273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91591 (or 91584 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 4487273 is about 2118.3184368739. The cubic root of 4487273 is about 164.9405724157.

The spelling of 4487273 in words is "four million, four hundred eighty-seven thousand, two hundred seventy-three".