2800297072 has 40 divisors (see below), whose sum is σ = 5629929840. Its totient is φ = 1347709440.

The previous prime is 2800297063. The next prime is 2800297111. The reversal of 2800297072 is 2707920082.

It is a super-3 number, since 3×2800297072³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144468 + ... + 162700.

It is an arithmetic number, because the mean of its divisors is an integer number (140748246).

Almost surely, 2^2800297072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2800297072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2814964920).

2800297072 is an abundant number, since it is smaller than the sum of its proper divisors (2829632768).

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

2800297072 is a wasteful number, since it uses less digits than its factorization.

2800297072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18601 (or 18595 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2800297072 is about 52917.8332133885. The cubic root of 2800297072 is about 1409.5095912009.

The spelling of 2800297072 in words is "two billion, eight hundred million, two hundred ninety-seven thousand, seventy-two".