2722705 has 8 divisors (see below), whose sum is σ = 3285504. Its totient is φ = 2166000.

The previous prime is 2722691. The next prime is 2722729. The reversal of 2722705 is 5072272.

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

It is not a de Polignac number, because 2722705 - 2¹³ = 2714513 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2722705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (410688).

2^2722705 is an apocalyptic number.

It is an amenable number.

2722705 is a deficient number, since it is larger than the sum of its proper divisors (562799).

2722705 is a wasteful number, since it uses less digits than its factorization.

2722705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2722705 is about 1650.0621200428. The cubic root of 2722705 is about 139.6368992204.

Adding to 2722705 its reverse (5072272), we get a palindrome (7794977).

The spelling of 2722705 in words is "two million, seven hundred twenty-two thousand, seven hundred five".