273434028 has 48 divisors (see below), whose sum is σ = 760865280. Its totient is φ = 74726784.

The previous prime is 273434023. The next prime is 273434047. The reversal of 273434028 is 820434372.

It is a self number, because there is not a number n which added to its sum of digits gives 273434028.

It is not an unprimeable number, because it can be changed into a prime (273434023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68833 + ... + 72696.

It is an arithmetic number, because the mean of its divisors is an integer number (15851360).

Almost surely, 2^273434028 is an apocalyptic number.

273434028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

273434028 is an abundant number, since it is smaller than the sum of its proper divisors (487431252).

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

273434028 is a wasteful number, since it uses less digits than its factorization.

273434028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141566 (or 141564 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 273434028 is about 16535.8407104084. The cubic root of 273434028 is about 649.0590155442.

The spelling of 273434028 in words is "two hundred seventy-three million, four hundred thirty-four thousand, twenty-eight".