17274137216420 has 72 divisors (see below), whose sum is σ = 42198886881144. Its totient is φ = 5922471873024.

The previous prime is 17274137216419. The next prime is 17274137216491. The reversal of 17274137216420 is 2461273147271.

It is a happy number.

17274137216420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4342230775204 + 12931906441216 = 2083802^2 + 3596096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120834104 + ... + 120976976.

It is an arithmetic number, because the mean of its divisors is an integer number (586095651127).

Almost surely, 2^{17274137216420} is an apocalyptic number.

17274137216420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17274137216420 is an abundant number, since it is smaller than the sum of its proper divisors (24924749664724).

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

17274137216420 is a wasteful number, since it uses less digits than its factorization.

17274137216420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266269 (or 266260 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 17274137216420 in words is "seventeen trillion, two hundred seventy-four billion, one hundred thirty-seven million, two hundred sixteen thousand, four hundred twenty".