2730129774 has 64 divisors (see below), whose sum is σ = 5824569600. Its totient is φ = 851703552.

The previous prime is 2730129737. The next prime is 2730129791. The reversal of 2730129774 is 4779210372.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747597 + ... + 751239.

It is an arithmetic number, because the mean of its divisors is an integer number (91008900).

Almost surely, 2^2730129774 is an apocalyptic number.

2730129774 is an abundant number, since it is smaller than the sum of its proper divisors (3094439826).

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

2730129774 is a wasteful number, since it uses less digits than its factorization.

2730129774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 2730129774 is about 52250.6437663690. The cubic root of 2730129774 is about 1397.6371323110.

It can be divided in two parts, 27301 and 29774, that added together give a palindrome (57075).

The spelling of 2730129774 in words is "two billion, seven hundred thirty million, one hundred twenty-nine thousand, seven hundred seventy-four".