1573427 has 4 divisors (see below), whose sum is σ = 1581096. Its totient is φ = 1565760.

The previous prime is 1573399. The next prime is 1573477. The reversal of 1573427 is 7243751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7243751 = 17 ⋅426103.

It is a cyclic number.

It is not a de Polignac number, because 1573427 - 2¹² = 1569331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1573427.

It is not an unprimeable number, because it can be changed into a prime (1573477) 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, 3518 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (395274).

2^1573427 is an apocalyptic number.

1573427 is a deficient number, since it is larger than the sum of its proper divisors (7669).

1573427 is an equidigital number, since it uses as much as digits as its factorization.

1573427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668.

The product of its digits is 5880, while the sum is 29.

The square root of 1573427 is about 1254.3631850465. The cubic root of 1573427 is about 116.3095921390.

The spelling of 1573427 in words is "one million, five hundred seventy-three thousand, four hundred twenty-seven".