273049380 has 144 divisors (see below), whose sum is σ = 904438080. Its totient is φ = 68957568.

The previous prime is 273049369. The next prime is 273049397. The reversal of 273049380 is 83940372.

273049380 is a `hidden beast` number, since 273 + 0 + 4 + 9 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 90862 + ... + 93818.

It is an arithmetic number, because the mean of its divisors is an integer number (6280820).

Almost surely, 2^273049380 is an apocalyptic number.

273049380 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 273049380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452219040).

273049380 is an abundant number, since it is smaller than the sum of its proper divisors (631388700).

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

273049380 is a wasteful number, since it uses less digits than its factorization.

273049380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 273049380 is about 16524.2058810704. The cubic root of 273049380 is about 648.7545223381.

The spelling of 273049380 in words is "two hundred seventy-three million, forty-nine thousand, three hundred eighty".