273995780 has 48 divisors (see below), whose sum is σ = 602622720. Its totient is φ = 104446848.

The previous prime is 273995747. The next prime is 273995797. The reversal of 273995780 is 87599372.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144881 + ... + 146759.

It is an arithmetic number, because the mean of its divisors is an integer number (12554640).

Almost surely, 2^273995780 is an apocalyptic number.

273995780 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 273995780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301311360).

273995780 is an abundant number, since it is smaller than the sum of its proper divisors (328626940).

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

273995780 is a wasteful number, since it uses less digits than its factorization.

273995780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 273995780 is about 16552.8178869943. The cubic root of 273995780 is about 649.5031943445.

The spelling of 273995780 in words is "two hundred seventy-three million, nine hundred ninety-five thousand, seven hundred eighty".