717072 has 20 divisors (see below), whose sum is σ = 1852560. Its totient is φ = 239008.

The previous prime is 717047. The next prime is 717089. The reversal of 717072 is 270717.

717072 is nontrivially palindromic in base 7.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7422 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (92628).

2⁷¹⁷⁰⁷² is an apocalyptic number.

It is an amenable number.

717072 is an abundant number, since it is smaller than the sum of its proper divisors (1135488).

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

717072 is a wasteful number, since it uses less digits than its factorization.

717072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14950 (or 14944 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 717072 is about 846.8010392058. The cubic root of 717072 is about 89.5064340016.

Adding to 717072 its reverse (270717), we get a palindrome (987789).

The spelling of 717072 in words is "seven hundred seventeen thousand, seventy-two", and thus it is an iban number.