2723081 has 8 divisors (see below), whose sum is σ = 2798880. Its totient is φ = 2648448.

The previous prime is 2723069. The next prime is 2723107. The reversal of 2723081 is 1803272.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2723081 is a prime.

It is a super-2 number, since 2×2723081² = 14830340265122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2723041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6290 + ... + 6708.

It is an arithmetic number, because the mean of its divisors is an integer number (349860).

2^2723081 is an apocalyptic number.

It is an amenable number.

2723081 is a deficient number, since it is larger than the sum of its proper divisors (75799).

2723081 is an equidigital number, since it uses as much as digits as its factorization.

2723081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2723081 is about 1650.1760512139. The cubic root of 2723081 is about 139.6433267814.

The spelling of 2723081 in words is "two million, seven hundred twenty-three thousand, eighty-one".