1726342013 has 12 divisors (see below), whose sum is σ = 1895651712. Its totient is φ = 1559160720.

The previous prime is 1726342001. The next prime is 1726342021. The reversal of 1726342013 is 3102436271.

It is a happy number.

It is not a de Polignac number, because 1726342013 - 2²⁴ = 1709564797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1726342063) 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, 267956 + ... + 274322.

It is an arithmetic number, because the mean of its divisors is an integer number (157970976).

Almost surely, 2^1726342013 is an apocalyptic number.

It is an amenable number.

1726342013 is a deficient number, since it is larger than the sum of its proper divisors (169309699).

1726342013 is an equidigital number, since it uses as much as digits as its factorization.

1726342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692 (or 6535 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1726342013 is about 41549.2721115545. The cubic root of 1726342013 is about 1199.6160838998.

Adding to 1726342013 its reverse (3102436271), we get a palindrome (4828778284).

The spelling of 1726342013 in words is "one billion, seven hundred twenty-six million, three hundred forty-two thousand, thirteen".