274943140 has 24 divisors (see below), whose sum is σ = 577729152. Its totient is φ = 109910880.

The previous prime is 274943117. The next prime is 274943183. The reversal of 274943140 is 41349472.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 274943096 and 274943105.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42735 + ... + 48745.

It is an arithmetic number, because the mean of its divisors is an integer number (24072048).

Almost surely, 2^274943140 is an apocalyptic number.

274943140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274943140 is an abundant number, since it is smaller than the sum of its proper divisors (302786012).

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

274943140 is a wasteful number, since it uses less digits than its factorization.

274943140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8307 (or 8305 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 274943140 is about 16581.4094696440. The cubic root of 274943140 is about 650.2509011669.

The spelling of 274943140 in words is "two hundred seventy-four million, nine hundred forty-three thousand, one hundred forty".