2068890752 has 64 divisors (see below), whose sum is σ = 4377483000. Its totient is φ = 970604544.

The previous prime is 2068890749. The next prime is 2068890757. The reversal of 2068890752 is 2570988602.

It can be written as a sum of positive squares in 4 ways, for example, as 2066975296 + 1915456 = 45464^2 + 1384^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2068890752² = 8560617887422251008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2068890697 and 2068890706.

It is not an unprimeable number, because it can be changed into a prime (2068890757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810374 + ... + 812922.

Almost surely, 2^2068890752 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 2068890752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2188741500).

2068890752 is an abundant number, since it is smaller than the sum of its proper divisors (2308592248).

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

2068890752 is a wasteful number, since it uses less digits than its factorization.

2068890752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 2068890752 is about 45485.0607562527. The cubic root of 2068890752 is about 1274.2242112824.

The spelling of 2068890752 in words is "two billion, sixty-eight million, eight hundred ninety thousand, seven hundred fifty-two".