274872280 has 16 divisors (see below), whose sum is σ = 618462720. Its totient is φ = 109948896.

The previous prime is 274872271. The next prime is 274872293. The reversal of 274872280 is 82278472.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 6871807 = 274872280 / (2 + 7 + 4 + 8 + 7 + 2 + 2 + 8 + 0).

It is a congruent number.

It is an unprimeable number.

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, 3435864 + ... + 3435943.

It is an arithmetic number, because the mean of its divisors is an integer number (38653920).

Almost surely, 2^274872280 is an apocalyptic number.

274872280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274872280 is an abundant number, since it is smaller than the sum of its proper divisors (343590440).

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

274872280 is a wasteful number, since it uses less digits than its factorization.

274872280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871818 (or 6871814 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 274872280 is about 16579.2726016554. The cubic root of 274872280 is about 650.1950341758.

The spelling of 274872280 in words is "two hundred seventy-four million, eight hundred seventy-two thousand, two hundred eighty".