2734728612 has 288 divisors, whose sum is σ = 8736989184. Its totient is φ = 656409600.

The previous prime is 2734728599. The next prime is 2734728617. The reversal of 2734728612 is 2168274372.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2734728617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4611388 + ... + 4611980.

It is an arithmetic number, because the mean of its divisors is an integer number (30336768).

Almost surely, 2^2734728612 is an apocalyptic number.

2734728612 is a gapful number since it is divisible by the number (22) 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 2734728612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4368494592).

2734728612 is an abundant number, since it is smaller than the sum of its proper divisors (6002260572).

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

2734728612 is a wasteful number, since it uses less digits than its factorization.

2734728612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 670 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 2734728612 is about 52294.6327265045. The cubic root of 2734728612 is about 1398.4214541401.

The spelling of 2734728612 in words is "two billion, seven hundred thirty-four million, seven hundred twenty-eight thousand, six hundred twelve".