274486920 has 128 divisors (see below), whose sum is σ = 874368000. Its totient is φ = 68739840.

The previous prime is 274486907. The next prime is 274486951. The reversal of 274486920 is 29684472.

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 31 ways as a sum of consecutive naturals, for example, 298221 + ... + 299139.

It is an arithmetic number, because the mean of its divisors is an integer number (6831000).

Almost surely, 2^274486920 is an apocalyptic number.

274486920 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 274486920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437184000).

274486920 is an abundant number, since it is smaller than the sum of its proper divisors (599881080).

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

274486920 is a wasteful number, since it uses less digits than its factorization.

274486920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 274486920 is about 16567.6467852257. The cubic root of 274486920 is about 649.8910428809.

The spelling of 274486920 in words is "two hundred seventy-four million, four hundred eighty-six thousand, nine hundred twenty".