1717272 has 96 divisors (see below), whose sum is σ = 5222880. Its totient is φ = 506880.

The previous prime is 1717241. The next prime is 1717283. The reversal of 1717272 is 2727171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28122 + ... + 28182.

It is an arithmetic number, because the mean of its divisors is an integer number (54405).

2^1717272 is an apocalyptic number.

1717272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1717272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2611440).

1717272 is an abundant number, since it is smaller than the sum of its proper divisors (3505608).

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

1717272 is a wasteful number, since it uses less digits than its factorization.

1717272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 106 counting only the distinct ones).

The product of its digits is 1372, while the sum is 27.

The square root of 1717272 is about 1310.4472518953. The cubic root of 1717272 is about 119.7511509747.

The spelling of 1717272 in words is "one million, seven hundred seventeen thousand, two hundred seventy-two".