273442230728 has 16 divisors (see below), whose sum is σ = 514849392000. Its totient is φ = 136149059536.

The previous prime is 273442230713. The next prime is 273442230767. The reversal of 273442230728 is 827032244372.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71504948 + ... + 71508771.

It is an arithmetic number, because the mean of its divisors is an integer number (32178087000).

Almost surely, 2^273442230728 is an apocalyptic number.

It is an amenable number.

273442230728 is a deficient number, since it is larger than the sum of its proper divisors (241407161272).

273442230728 is a wasteful number, since it uses less digits than its factorization.

273442230728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143013964 (or 143013960 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 273442230728 in words is "two hundred seventy-three billion, four hundred forty-two million, two hundred thirty thousand, seven hundred twenty-eight".