403073 has 4 divisors (see below), whose sum is σ = 439728. Its totient is φ = 366420.

The previous prime is 403063. The next prime is 403079. The reversal of 403073 is 370304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 403073 - 2⁴ = 403057 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403073.

It is not an unprimeable number, because it can be changed into a prime (403079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18311 + ... + 18332.

It is an arithmetic number, because the mean of its divisors is an integer number (109932).

2⁴⁰³⁰⁷³ is an apocalyptic number.

It is an amenable number.

403073 is a deficient number, since it is larger than the sum of its proper divisors (36655).

403073 is a wasteful number, since it uses less digits than its factorization.

403073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36654.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 403073 is about 634.8803036794. The cubic root of 403073 is about 73.8688326500.

Adding to 403073 its reverse (370304), we get a palindrome (773377).

It can be divided in two parts, 40 and 3073, that added together give a palindrome (3113).

The spelling of 403073 in words is "four hundred three thousand, seventy-three", and thus it is an iban number.