2720706 has 8 divisors (see below), whose sum is σ = 5441424. Its totient is φ = 906900.

The previous prime is 2720687. The next prime is 2720713. The reversal of 2720706 is 6070272.

It is a sphenic number, since it is the product of 3 distinct primes.

2720706 is an admirable number.

It is a super-2 number, since 2×2720706² = 14804482276872, which contains 22 as substring.

It is a Curzon number.

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, 226720 + ... + 226731.

It is an arithmetic number, because the mean of its divisors is an integer number (680178).

2^2720706 is an apocalyptic number.

2720706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2720706 is a wasteful number, since it uses less digits than its factorization.

2720706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453456.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 2720706 is about 1649.4562740491. The cubic root of 2720706 is about 139.6027172209.

Adding to 2720706 its reverse (6070272), we get a palindrome (8790978).

The spelling of 2720706 in words is "two million, seven hundred twenty thousand, seven hundred six".