2723870 has 16 divisors (see below), whose sum is σ = 4922208. Its totient is φ = 1085280.

The previous prime is 2723863. The next prime is 2723879. The reversal of 2723870 is 783272.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723879) 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, 3887 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (307638).

2^2723870 is an apocalyptic number.

2723870 is a deficient number, since it is larger than the sum of its proper divisors (2198338).

2723870 is a wasteful number, since it uses less digits than its factorization.

2723870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2723870 is about 1650.4150993008. The cubic root of 2723870 is about 139.6568124795.

The spelling of 2723870 in words is "two million, seven hundred twenty-three thousand, eight hundred seventy".