2724905 has 8 divisors (see below), whose sum is σ = 3283584. Its totient is φ = 2170800.

The previous prime is 2724877. The next prime is 2724929. The reversal of 2724905 is 5094272.

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

It is not a de Polignac number, because 2724905 - 2¹⁰ = 2723881 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 350 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (410448).

2^2724905 is an apocalyptic number.

It is an amenable number.

2724905 is a deficient number, since it is larger than the sum of its proper divisors (558679).

2724905 is a wasteful number, since it uses less digits than its factorization.

2724905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2724905 is about 1650.7286270008. The cubic root of 2724905 is about 139.6744988959.

The spelling of 2724905 in words is "two million, seven hundred twenty-four thousand, nine hundred five".