427573 has 4 divisors (see below), whose sum is σ = 434880. Its totient is φ = 420268.

The previous prime is 427541. The next prime is 427579. The reversal of 427573 is 375724.

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 427573 - 2⁵ = 427541 is a prime.

It is a Duffinian number.

427573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427579) 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, 3565 + ... + 3682.

It is an arithmetic number, because the mean of its divisors is an integer number (108720).

2⁴²⁷⁵⁷³ is an apocalyptic number.

It is an amenable number.

427573 is a deficient number, since it is larger than the sum of its proper divisors (7307).

427573 is an equidigital number, since it uses as much as digits as its factorization.

427573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306.

The product of its digits is 5880, while the sum is 28.

The square root of 427573 is about 653.8906636434. The cubic root of 427573 is about 75.3361503806.

It can be divided in two parts, 42757 and 3, that multiplied together give a triangular number (128271 = T₅₀₆).

The spelling of 427573 in words is "four hundred twenty-seven thousand, five hundred seventy-three".