274845000 has 160 divisors (see below), whose sum is σ = 873845280. Its totient is φ = 72000000.

The previous prime is 274844993. The next prime is 274845007. The reversal of 274845000 is 548472.

It is an interprime number because it is at equal distance from previous prime (274844993) and next prime (274845007).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (274845007) 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 39 ways as a sum of consecutive naturals, for example, 1094875 + ... + 1095125.

It is an arithmetic number, because the mean of its divisors is an integer number (5461533).

Almost surely, 2^274845000 is an apocalyptic number.

274845000 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 274845000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436922640).

274845000 is an abundant number, since it is smaller than the sum of its proper divisors (599000280).

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

274845000 is a wasteful number, since it uses less digits than its factorization.

274845000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 274845000 is about 16578.4498672222. The cubic root of 274845000 is about 650.1735236918.

The spelling of 274845000 in words is "two hundred seventy-four million, eight hundred forty-five thousand".