274937980 has 96 divisors (see below), whose sum is σ = 640584000. Its totient is φ = 98703360.

The previous prime is 274937947. The next prime is 274937989. The reversal of 274937980 is 89739472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274937989) 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 31 ways as a sum of consecutive naturals, for example, 672016 + ... + 672424.

It is an arithmetic number, because the mean of its divisors is an integer number (6672750).

Almost surely, 2^274937980 is an apocalyptic number.

274937980 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 274937980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320292000).

274937980 is an abundant number, since it is smaller than the sum of its proper divisors (365646020).

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

274937980 is a wasteful number, since it uses less digits than its factorization.

274937980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 274937980 is about 16581.2538729735. The cubic root of 274937980 is about 650.2468332765.

The spelling of 274937980 in words is "two hundred seventy-four million, nine hundred thirty-seven thousand, nine hundred eighty".