2721724315 has 4 divisors (see below), whose sum is σ = 3266069184. Its totient is φ = 2177379448.

The previous prime is 2721724307. The next prime is 2721724321. The reversal of 2721724315 is 5134271272.

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

It is a cyclic number.

It is not a de Polignac number, because 2721724315 - 2³ = 2721724307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272172427 + ... + 272172436.

It is an arithmetic number, because the mean of its divisors is an integer number (816517296).

Almost surely, 2^2721724315 is an apocalyptic number.

2721724315 is a deficient number, since it is larger than the sum of its proper divisors (544344869).

2721724315 is an equidigital number, since it uses as much as digits as its factorization.

2721724315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544344868.

The product of its digits is 23520, while the sum is 34.

The square root of 2721724315 is about 52170.1477379545. The cubic root of 2721724315 is about 1396.2013204005.

Adding to 2721724315 its reverse (5134271272), we get a palindrome (7855995587).

The spelling of 2721724315 in words is "two billion, seven hundred twenty-one million, seven hundred twenty-four thousand, three hundred fifteen".