272801081 has 12 divisors (see below), whose sum is σ = 319770000. Its totient is φ = 232039080.

The previous prime is 272801071. The next prime is 272801083. The reversal of 272801081 is 180108272.

It is not a de Polignac number, because 272801081 - 2¹⁰ = 272800057 is a prime.

It is a super-2 number, since 2×272801081² = 148840859589537122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272801083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14831 + ... + 27668.

It is an arithmetic number, because the mean of its divisors is an integer number (26647500).

Almost surely, 2^272801081 is an apocalyptic number.

It is an amenable number.

272801081 is a deficient number, since it is larger than the sum of its proper divisors (46968919).

272801081 is a wasteful number, since it uses less digits than its factorization.

272801081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42644 (or 42637 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 272801081 is about 16516.6909821550. The cubic root of 272801081 is about 648.5578131669.

The spelling of 272801081 in words is "two hundred seventy-two million, eight hundred one thousand, eighty-one".