1745226 has 72 divisors (see below), whose sum is σ = 4723680. Its totient is φ = 472392.

The previous prime is 1745213. The next prime is 1745231. The reversal of 1745226 is 6225471.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1745226.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91845 + ... + 91863.

2^1745226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1745226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2361840).

1745226 is an abundant number, since it is smaller than the sum of its proper divisors (2978454).

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

1745226 is an frugal number, since it uses more digits than its factorization.

1745226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52 (or 31 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1745226 is about 1321.0700208543. The cubic root of 1745226 is about 120.3974322767.

The spelling of 1745226 in words is "one million, seven hundred forty-five thousand, two hundred twenty-six".