2067697280 has 128 divisors (see below), whose sum is σ = 5433825600. Its totient is φ = 746127360.

The previous prime is 2067697277. The next prime is 2067697327. The reversal of 2067697280 is 827967602.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977504 + ... + 979616.

Almost surely, 2^2067697280 is an apocalyptic number.

2067697280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2067697280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2716912800).

2067697280 is an abundant number, since it is smaller than the sum of its proper divisors (3366128320).

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

2067697280 is a wasteful number, since it uses less digits than its factorization.

2067697280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 2067697280 is about 45471.9394791997. The cubic root of 2067697280 is about 1273.9791454288.

The spelling of 2067697280 in words is "two billion, sixty-seven million, six hundred ninety-seven thousand, two hundred eighty".