2717320 has 16 divisors (see below), whose sum is σ = 6114060. Its totient is φ = 1086912.

The previous prime is 2717293. The next prime is 2717321. The reversal of 2717320 is 237172.

It can be written as a sum of positive squares in 2 ways, for example, as 2630884 + 86436 = 1622^2 + 294^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2717291 and 2717300.

It is not an unprimeable number, because it can be changed into a prime (2717321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33927 + ... + 34006.

2^2717320 is an apocalyptic number.

2717320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2717320 is an abundant number, since it is smaller than the sum of its proper divisors (3396740).

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

2717320 is a wasteful number, since it uses less digits than its factorization.

2717320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67944 (or 67940 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 2717320 is about 1648.4295556681. The cubic root of 2717320 is about 139.5447799269.

The spelling of 2717320 in words is "two million, seven hundred seventeen thousand, three hundred twenty".