2730065280 has 64 divisors (see below), whose sum is σ = 8702089200. Its totient is φ = 728016896.

The previous prime is 2730065267. The next prime is 2730065333. The reversal of 2730065280 is 825600372.

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

It is a super-2 number, since 2×2730065280² = 14906512866122956800, which contains 22 as substring.

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, 709035 + ... + 712874.

Almost surely, 2^2730065280 is an apocalyptic number.

2730065280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2730065280 is an abundant number, since it is smaller than the sum of its proper divisors (5972023920).

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

2730065280 is a wasteful number, since it uses less digits than its factorization.

2730065280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421931 (or 1421919 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2730065280 is about 52250.0266028640. The cubic root of 2730065280 is about 1397.6261267390.

The spelling of 2730065280 in words is "two billion, seven hundred thirty million, sixty-five thousand, two hundred eighty".