2721874 has 8 divisors (see below), whose sum is σ = 4106160. Its totient is φ = 1353156.

The previous prime is 2721871. The next prime is 2721877. The reversal of 2721874 is 4781272.

It is an interprime number because it is at equal distance from previous prime (2721871) and next prime (2721877).

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

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

It is not an unprimeable number, because it can be changed into a prime (2721871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3444 + ... + 4159.

It is an arithmetic number, because the mean of its divisors is an integer number (513270).

2^2721874 is an apocalyptic number.

2721874 is a deficient number, since it is larger than the sum of its proper divisors (1384286).

2721874 is a wasteful number, since it uses less digits than its factorization.

2721874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784.

The product of its digits is 6272, while the sum is 31.

The square root of 2721874 is about 1649.8102921245. The cubic root of 2721874 is about 139.6226915273.

The spelling of 2721874 in words is "two million, seven hundred twenty-one thousand, eight hundred seventy-four".