2721337 has 8 divisors (see below), whose sum is σ = 2859840. Its totient is φ = 2584560.

The previous prime is 2721319. The next prime is 2721371. The reversal of 2721337 is 7331272.

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

It is a cyclic number.

It is not a de Polignac number, because 2721337 - 2¹⁹ = 2197049 is a prime.

It is a Duffinian number.

2721337 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2721307) 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, 3787 + ... + 4447.

It is an arithmetic number, because the mean of its divisors is an integer number (357480).

2^2721337 is an apocalyptic number.

It is an amenable number.

2721337 is a deficient number, since it is larger than the sum of its proper divisors (138503).

2721337 is a wasteful number, since it uses less digits than its factorization.

2721337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 1764, while the sum is 25.

The square root of 2721337 is about 1649.6475381123. The cubic root of 2721337 is about 139.6135088445.

The spelling of 2721337 in words is "two million, seven hundred twenty-one thousand, three hundred thirty-seven".