272681856 has 64 divisors (see below), whose sum is σ = 804800400. Its totient is φ = 90892800.

The previous prime is 272681837. The next prime is 272681911. The reversal of 272681856 is 658186272.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35995 + ... + 42906.

Almost surely, 2^272681856 is an apocalyptic number.

It is an amenable number.

272681856 is an abundant number, since it is smaller than the sum of its proper divisors (532118544).

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

272681856 is an equidigital number, since it uses as much as digits as its factorization.

272681856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78924 (or 78906 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 272681856 is about 16513.0813599401. The cubic root of 272681856 is about 648.4633174849.

The spelling of 272681856 in words is "two hundred seventy-two million, six hundred eighty-one thousand, eight hundred fifty-six".