1726242 has 32 divisors (see below), whose sum is σ = 4119552. Its totient is φ = 471504.

The previous prime is 1726237. The next prime is 1726253. The reversal of 1726242 is 2426271.

It is a super-2 number, since 2×1726242² = 5959822885128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (128736).

2^1726242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1726242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2059776).

1726242 is an abundant number, since it is smaller than the sum of its proper divisors (2393310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1726242 is a wasteful number, since it uses less digits than its factorization.

1726242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822.

The product of its digits is 1344, while the sum is 24.

The square root of 1726242 is about 1313.8652898985. The cubic root of 1726242 is about 119.9592917474.

The spelling of 1726242 in words is "one million, seven hundred twenty-six thousand, two hundred forty-two".