274945008 has 80 divisors (see below), whose sum is σ = 767312000. Its totient is φ = 84333312.

The previous prime is 274944949. The next prime is 274945009. The reversal of 274945008 is 800549472.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274945009) 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 15 ways as a sum of consecutive naturals, for example, 310935 + ... + 311817.

It is an arithmetic number, because the mean of its divisors is an integer number (9591400).

Almost surely, 2^274945008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274945008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383656000).

274945008 is an abundant number, since it is smaller than the sum of its proper divisors (492366992).

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

274945008 is a wasteful number, since it uses less digits than its factorization.

274945008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 274945008 is about 16581.4657976911. The cubic root of 274945008 is about 650.2523737937.

The spelling of 274945008 in words is "two hundred seventy-four million, nine hundred forty-five thousand, eight".