1573073 has 4 divisors (see below), whose sum is σ = 1587108. Its totient is φ = 1559040.

The previous prime is 1573057. The next prime is 1573079. The reversal of 1573073 is 3703751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3703751 = 97 ⋅38183.

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 1203409 = 608^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 1573073 - 2⁴ = 1573057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1573079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6848 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (396777).

2^1573073 is an apocalyptic number.

It is an amenable number.

1573073 is a deficient number, since it is larger than the sum of its proper divisors (14035).

1573073 is a wasteful number, since it uses less digits than its factorization.

1573073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 1573073 is about 1254.2220696511. Note that the first 3 decimals coincide. The cubic root of 1573073 is about 116.3008687847.

The spelling of 1573073 in words is "one million, five hundred seventy-three thousand, seventy-three".