274836980 has 54 divisors (see below), whose sum is σ = 636284502. Its totient is φ = 99644160.

The previous prime is 274836949. The next prime is 274836983. The reversal of 274836980 is 89638472.

It can be written as a sum of positive squares in 3 ways, for example, as 1860496 + 272976484 = 1364^2 + 16522^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274836983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 815372 + ... + 815708.

Almost surely, 2^274836980 is an apocalyptic number.

274836980 is a gapful number since it is divisible by the number (20) 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 274836980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318142251).

274836980 is an abundant number, since it is smaller than the sum of its proper divisors (361447522).

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

274836980 is a wasteful number, since it uses less digits than its factorization.

274836980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 274836980 is about 16578.2079851834. The cubic root of 274836980 is about 650.1671995911.

The spelling of 274836980 in words is "two hundred seventy-four million, eight hundred thirty-six thousand, nine hundred eighty".