274507730172 has 144 divisors (see below), whose sum is σ = 768275569152. Its totient is φ = 82104744960.

The previous prime is 274507730153. The next prime is 274507730207. The reversal of 274507730172 is 271037705472.

274507730172 is a `hidden beast` number, since 2 + 7 + 4 + 507 + 73 + 0 + 1 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5289253 + ... + 5340899.

It is an arithmetic number, because the mean of its divisors is an integer number (5335247008).

Almost surely, 2^274507730172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274507730172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384137784576).

274507730172 is an abundant number, since it is smaller than the sum of its proper divisors (493767838980).

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

274507730172 is a wasteful number, since it uses less digits than its factorization.

274507730172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51988 (or 51983 counting only the distinct ones).

The product of its (nonzero) digits is 576240, while the sum is 45.

The spelling of 274507730172 in words is "two hundred seventy-four billion, five hundred seven million, seven hundred thirty thousand, one hundred seventy-two".