2720772 has 18 divisors (see below), whose sum is σ = 6877598. Its totient is φ = 906912.

The previous prime is 2720747. The next prime is 2720789. The reversal of 2720772 is 2770272.

It can be written as a sum of positive squares in only one way, i.e., 2005056 + 715716 = 1416^2 + 846^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37753 + ... + 37824.

2^2720772 is an apocalyptic number.

It is an amenable number.

2720772 is an abundant number, since it is smaller than the sum of its proper divisors (4156826).

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

2720772 is a wasteful number, since it uses less digits than its factorization.

2720772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75587 (or 75582 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 2720772 is about 1649.4762805206. The cubic root of 2720772 is about 139.6038460584.

The spelling of 2720772 in words is "two million, seven hundred twenty thousand, seven hundred seventy-two".