1722413 has 8 divisors (see below), whose sum is σ = 2147520. Its totient is φ = 1342080.

The previous prime is 1722377. The next prime is 1722419. The reversal of 1722413 is 3142271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1722413 - 2¹⁶ = 1656877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1722419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11108 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (268440).

2^1722413 is an apocalyptic number.

It is an amenable number.

1722413 is a deficient number, since it is larger than the sum of its proper divisors (425107).

1722413 is a wasteful number, since it uses less digits than its factorization.

1722413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22387.

The product of its digits is 336, while the sum is 20.

The square root of 1722413 is about 1312.4073300618. The cubic root of 1722413 is about 119.8705316628.

Adding to 1722413 its reverse (3142271), we get a palindrome (4864684).

The spelling of 1722413 in words is "one million, seven hundred twenty-two thousand, four hundred thirteen".