273743430 has 64 divisors (see below), whose sum is σ = 670049280. Its totient is φ = 71559936.

The previous prime is 273743413. The next prime is 273743467. The reversal of 273743430 is 34347372.

It is a junction number, because it is equal to n+sod(n) for n = 273743391 and 273743400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523149 + ... + 523671.

It is an arithmetic number, because the mean of its divisors is an integer number (10469520).

Almost surely, 2^273743430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273743430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335024640).

273743430 is an abundant number, since it is smaller than the sum of its proper divisors (396305850).

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

273743430 is a wasteful number, since it uses less digits than its factorization.

273743430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 42336, while the sum is 33.

The square root of 273743430 is about 16545.1935618777. The cubic root of 273743430 is about 649.3037357071.

The spelling of 273743430 in words is "two hundred seventy-three million, seven hundred forty-three thousand, four hundred thirty".