274931620 has 12 divisors (see below), whose sum is σ = 577356444. Its totient is φ = 109972640.

The previous prime is 274931603. The next prime is 274931621. The reversal of 274931620 is 26139472.

It can be written as a sum of positive squares in 2 ways, for example, as 149670756 + 125260864 = 12234^2 + 11192^2 .

It is not an unprimeable number, because it can be changed into a prime (274931621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6873271 + ... + 6873310.

It is an arithmetic number, because the mean of its divisors is an integer number (48113037).

Almost surely, 2^274931620 is an apocalyptic number.

274931620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274931620 is an abundant number, since it is smaller than the sum of its proper divisors (302424824).

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

274931620 is a wasteful number, since it uses less digits than its factorization.

274931620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746590 (or 13746588 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 274931620 is about 16581.0620890219. The cubic root of 274931620 is about 650.2418192951.

The spelling of 274931620 in words is "two hundred seventy-four million, nine hundred thirty-one thousand, six hundred twenty".