440073 has 12 divisors (see below), whose sum is σ = 659568. Its totient is φ = 293220.

The previous prime is 440047. The next prime is 440087. The reversal of 440073 is 370044.

It is not a de Polignac number, because 440073 - 2⁶ = 440009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663 + ... + 1148.

It is an arithmetic number, because the mean of its divisors is an integer number (54964).

2⁴⁴⁰⁰⁷³ is an apocalyptic number.

It is an amenable number.

440073 is a deficient number, since it is larger than the sum of its proper divisors (219495).

440073 is an equidigital number, since it uses as much as digits as its factorization.

440073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 440073 is about 663.3799816093. The cubic root of 440073 is about 76.0632552785.

The spelling of 440073 in words is "four hundred forty thousand, seventy-three", and thus it is an iban number.