2001726473 has 4 divisors (see below), whose sum is σ = 2011785600. Its totient is φ = 1991667348.

The previous prime is 2001726469. The next prime is 2001726491. The reversal of 2001726473 is 3746271002.

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 2001726473 - 2² = 2001726469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001726403) 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, 5029265 + ... + 5029662.

It is an arithmetic number, because the mean of its divisors is an integer number (502946400).

Almost surely, 2^2001726473 is an apocalyptic number.

It is an amenable number.

2001726473 is a deficient number, since it is larger than the sum of its proper divisors (10059127).

2001726473 is a wasteful number, since it uses less digits than its factorization.

2001726473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10059126.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 2001726473 is about 44740.6579410719. The cubic root of 2001726473 is about 1260.2834822391.

Adding to 2001726473 its reverse (3746271002), we get a palindrome (5747997475).

The spelling of 2001726473 in words is "two billion, one million, seven hundred twenty-six thousand, four hundred seventy-three".