274074138820 has 12 divisors (see below), whose sum is σ = 575555691564. Its totient is φ = 109629655520.

The previous prime is 274074138803. The next prime is 274074138829. The reversal of 274074138820 is 28831470472.

It can be written as a sum of positive squares in 2 ways, for example, as 52268933376 + 221805205444 = 228624^2 + 470962^2 .

It is not an unprimeable number, because it can be changed into a prime (274074138829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6851853451 + ... + 6851853490.

It is an arithmetic number, because the mean of its divisors is an integer number (47962974297).

Almost surely, 2^274074138820 is an apocalyptic number.

274074138820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274074138820 is an abundant number, since it is smaller than the sum of its proper divisors (301481552744).

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

274074138820 is a wasteful number, since it uses less digits than its factorization.

274074138820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703706950 (or 13703706948 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 274074138820 in words is "two hundred seventy-four billion, seventy-four million, one hundred thirty-eight thousand, eight hundred twenty".