2730302730 has 96 divisors (see below), whose sum is σ = 7378076160. Its totient is φ = 699672960.

The previous prime is 2730302719. The next prime is 2730302761. The reversal of 2730302730 is 372030372.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2730302694 and 2730302703.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 579685 + ... + 584375.

It is an arithmetic number, because the mean of its divisors is an integer number (76854960).

Almost surely, 2^2730302730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2730302730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3689038080).

2730302730 is an abundant number, since it is smaller than the sum of its proper divisors (4647773430).

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

2730302730 is a wasteful number, since it uses less digits than its factorization.

2730302730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956 (or 4953 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 2730302730 is about 52252.2988011054. The cubic root of 2730302730 is about 1397.6666455141. Note that the first 4 decimals are identical.

The spelling of 2730302730 in words is "two billion, seven hundred thirty million, three hundred two thousand, seven hundred thirty".