273494820 has 24 divisors (see below), whose sum is σ = 765785664. Its totient is φ = 72931936.

The previous prime is 273494807. The next prime is 273494839. The reversal of 273494820 is 28494372.

273494820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 2279064 + ... + 2279183.

It is an arithmetic number, because the mean of its divisors is an integer number (31907736).

Almost surely, 2^273494820 is an apocalyptic number.

273494820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273494820 is an abundant number, since it is smaller than the sum of its proper divisors (492290844).

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

273494820 is a wasteful number, since it uses less digits than its factorization.

273494820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558259 (or 4558257 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 273494820 is about 16537.6787972194. The cubic root of 273494820 is about 649.1071132787.

The spelling of 273494820 in words is "two hundred seventy-three million, four hundred ninety-four thousand, eight hundred twenty".