2730299670 has 128 divisors (see below), whose sum is σ = 8403886080. Its totient is φ = 617846400.

The previous prime is 2730299669. The next prime is 2730299681. The reversal of 2730299670 is 769920372.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183739 + ... + 198041.

It is an arithmetic number, because the mean of its divisors is an integer number (65655360).

Almost surely, 2^2730299670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2730299670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4201943040).

2730299670 is an abundant number, since it is smaller than the sum of its proper divisors (5673586410).

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

2730299670 is a wasteful number, since it uses less digits than its factorization.

2730299670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14427 (or 14421 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 2730299670 is about 52252.2695200888. The cubic root of 2730299670 is about 1397.6661233667. Note that the first 3 decimals are identical.

The spelling of 2730299670 in words is "two billion, seven hundred thirty million, two hundred ninety-nine thousand, six hundred seventy".