2072843421 has 32 divisors (see below), whose sum is σ = 3153807360. Its totient is φ = 1198718400.

The previous prime is 2072843419. The next prime is 2072843429. The reversal of 2072843421 is 1243482702.

It is a happy number.

It is not a de Polignac number, because 2072843421 - 2¹ = 2072843419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072843429) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 330091 + ... + 336311.

It is an arithmetic number, because the mean of its divisors is an integer number (98556480).

Almost surely, 2^2072843421 is an apocalyptic number.

It is an amenable number.

2072843421 is a deficient number, since it is larger than the sum of its proper divisors (1080963939).

2072843421 is a wasteful number, since it uses less digits than its factorization.

2072843421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6697.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 2072843421 is about 45528.4902121737. The cubic root of 2072843421 is about 1275.0351744237.

The spelling of 2072843421 in words is "two billion, seventy-two million, eight hundred forty-three thousand, four hundred twenty-one".