274911912 has 96 divisors (see below), whose sum is σ = 855036000. Its totient is φ = 78917760.

The previous prime is 274911911. The next prime is 274911979. The reversal of 274911912 is 219119472.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (274911911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5914 + ... + 24182.

It is an arithmetic number, because the mean of its divisors is an integer number (8906625).

Almost surely, 2^274911912 is an apocalyptic number.

274911912 is a gapful number since it is divisible by the number (22) 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 274911912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427518000).

274911912 is an abundant number, since it is smaller than the sum of its proper divisors (580124088).

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

274911912 is a wasteful number, since it uses less digits than its factorization.

274911912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311 (or 18304 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 274911912 is about 16580.4677859221. The cubic root of 274911912 is about 650.2262817686.

It can be divided in two parts, 27491 and 1912, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 274911912 in words is "two hundred seventy-four million, nine hundred eleven thousand, nine hundred twelve".