2071873728 has 70 divisors (see below), whose sum is σ = 6141698156. Its totient is φ = 690622848.

The previous prime is 2071873717. The next prime is 2071873751. The reversal of 2071873728 is 8273781702.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 194650 + ... + 205017.

Almost surely, 2^2071873728 is an apocalyptic number.

It is an amenable number.

2071873728 is an abundant number, since it is smaller than the sum of its proper divisors (4069824428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2071873728 is an equidigital number, since it uses as much as digits as its factorization.

2071873728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399691 (or 399672 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 2071873728 is about 45517.8396675413. The cubic root of 2071873728 is about 1274.8363194725.

The spelling of 2071873728 in words is "two billion, seventy-one million, eight hundred seventy-three thousand, seven hundred twenty-eight".