2709968 has 10 divisors (see below), whose sum is σ = 5250594. Its totient is φ = 1354976.

The previous prime is 2709923. The next prime is 2710003. The reversal of 2709968 is 8699072.

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 659344 = 1432^2 + 812^2 .

It is a super-2 number, since 2×2709968² = 14687853122048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84671 + ... + 84702.

2^2709968 is an apocalyptic number.

It is an amenable number.

2709968 is a deficient number, since it is larger than the sum of its proper divisors (2540626).

2709968 is a wasteful number, since it uses less digits than its factorization.

2709968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169381 (or 169375 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 2709968 is about 1646.1980439789. The cubic root of 2709968 is about 139.4188151439.

The spelling of 2709968 in words is "two million, seven hundred nine thousand, nine hundred sixty-eight".