2842062721 has 9 divisors (see below), whose sum is σ = 2879161411. Its totient is φ = 2805438064.

The previous prime is 2842062697. The next prime is 2842062739. The reversal of 2842062721 is 1272602482.

The square root of 2842062721 is 53311.

It is a perfect power (a square), and thus also a powerful number.

2842062721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 545736321 + 2296326400 = 23361^2 + 47920^2 .

It is not a de Polignac number, because 2842062721 - 2¹⁹ = 2841538433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2842062761) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4744380 + ... + 4744978.

Almost surely, 2^2842062721 is an apocalyptic number.

2842062721 is the 53311-st square number.

2842062721 is the 26656-th centered octagonal number.

It is an amenable number.

2842062721 is a deficient number, since it is larger than the sum of its proper divisors (37098690).

2842062721 is an frugal number, since it uses more digits than its factorization.

2842062721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The cubic root of 2842062721 is about 1416.4825194985.

The spelling of 2842062721 in words is "two billion, eight hundred forty-two million, sixty-two thousand, seven hundred twenty-one".