2721471 has 8 divisors (see below), whose sum is σ = 3674880. Its totient is φ = 1791192.

The previous prime is 2721451. The next prime is 2721517. The reversal of 2721471 is 1741272.

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

It is not a de Polignac number, because 2721471 - 2¹⁰ = 2720447 is a prime.

It is a super-3 number, since 3×2721471³ = 60468944397976710333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505 + ... + 5978.

It is an arithmetic number, because the mean of its divisors is an integer number (459360).

2^2721471 is an apocalyptic number.

2721471 is a deficient number, since it is larger than the sum of its proper divisors (953409).

2721471 is a wasteful number, since it uses less digits than its factorization.

2721471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565.

The product of its digits is 784, while the sum is 24.

The square root of 2721471 is about 1649.6881523488. The cubic root of 2721471 is about 139.6158003533.

The spelling of 2721471 in words is "two million, seven hundred twenty-one thousand, four hundred seventy-one".