273676320 has 144 divisors (see below), whose sum is σ = 968647680. Its totient is φ = 72969984.

The previous prime is 273676313. The next prime is 273676321. The reversal of 273676320 is 23676372.

273676320 is a `hidden beast` number, since 273 + 67 + 6 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is not an unprimeable number, because it can be changed into a prime (273676321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35361 + ... + 42399.

It is an arithmetic number, because the mean of its divisors is an integer number (6726720).

Almost surely, 2^273676320 is an apocalyptic number.

273676320 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 273676320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484323840).

273676320 is an abundant number, since it is smaller than the sum of its proper divisors (694971360).

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

273676320 is an equidigital number, since it uses as much as digits as its factorization.

273676320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7069 (or 7049 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 273676320 is about 16543.1653561221. The cubic root of 273676320 is about 649.2506710119.

The spelling of 273676320 in words is "two hundred seventy-three million, six hundred seventy-six thousand, three hundred twenty".