717472 has 24 divisors (see below), whose sum is σ = 1614816. Its totient is φ = 307392.

The previous prime is 717463. The next prime is 717491. The reversal of 717472 is 274717.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 717472.

It is an unprimeable number.

717472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378 + ... + 1825.

It is an arithmetic number, because the mean of its divisors is an integer number (67284).

2⁷¹⁷⁴⁷² is an apocalyptic number.

It is an amenable number.

717472 is an abundant number, since it is smaller than the sum of its proper divisors (897344).

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

717472 is a wasteful number, since it uses less digits than its factorization.

717472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 3212 counting only the distinct ones).

The product of its digits is 2744, while the sum is 28.

The square root of 717472 is about 847.0371892662. The cubic root of 717472 is about 89.5230738549.

The spelling of 717472 in words is "seven hundred seventeen thousand, four hundred seventy-two", and thus it is an iban number.