1745628 has 48 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 532224.

The previous prime is 1745621. The next prime is 1745629. The reversal of 1745628 is 8265471.

It is a super-2 number, since 2×1745628² = 6094434228768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1745621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8673 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2^1745628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1745628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2217600).

1745628 is an abundant number, since it is smaller than the sum of its proper divisors (2689572).

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

1745628 is a wasteful number, since it uses less digits than its factorization.

1745628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 264 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1745628 is about 1321.2221614853. Note that the first 3 decimals coincide. The cubic root of 1745628 is about 120.4066757887.

The spelling of 1745628 in words is "one million, seven hundred forty-five thousand, six hundred twenty-eight".