2721262 has 4 divisors (see below), whose sum is σ = 4081896. Its totient is φ = 1360630.

The previous prime is 2721259. The next prime is 2721307. The reversal of 2721262 is 2621272.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680314 + ... + 680317.

It is an arithmetic number, because the mean of its divisors is an integer number (1020474).

2^2721262 is an apocalyptic number.

2721262 is a deficient number, since it is larger than the sum of its proper divisors (1360634).

2721262 is a wasteful number, since it uses less digits than its factorization.

2721262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360633.

The product of its digits is 672, while the sum is 22.

The square root of 2721262 is about 1649.6248058271. The cubic root of 2721262 is about 139.6122262508.

The spelling of 2721262 in words is "two million, seven hundred twenty-one thousand, two hundred sixty-two".