2720629 has 8 divisors (see below), whose sum is σ = 3032640. Its totient is φ = 2425536.

The previous prime is 2720623. The next prime is 2720671. The reversal of 2720629 is 9260272.

2720629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2720629 - 2⁹ = 2720117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2720597 and 2720606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889 + ... + 4534.

It is an arithmetic number, because the mean of its divisors is an integer number (379080).

2^2720629 is an apocalyptic number.

It is an amenable number.

2720629 is a deficient number, since it is larger than the sum of its proper divisors (312011).

2720629 is a wasteful number, since it uses less digits than its factorization.

2720629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2720629 is about 1649.4329328590. The cubic root of 2720629 is about 139.6014002208.

The spelling of 2720629 in words is "two million, seven hundred twenty thousand, six hundred twenty-nine".