272026881 has 18 divisors (see below), whose sum is σ = 457079922. Its totient is φ = 155443680.

The previous prime is 272026879. The next prime is 272026883. The reversal of 272026881 is 188620272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (272026879) and next prime (272026883).

It can be written as a sum of positive squares in only one way, i.e., 267616881 + 4410000 = 16359^2 + 2100^2 .

It is not a de Polignac number, because 272026881 - 2¹ = 272026879 is a prime.

It is a super-2 number, since 2×272026881² = 147997247973176322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (272026883) 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 17 ways as a sum of consecutive naturals, for example, 307980 + ... + 308861.

It is an arithmetic number, because the mean of its divisors is an integer number (25393329).

Almost surely, 2^272026881 is an apocalyptic number.

272026881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

272026881 is a deficient number, since it is larger than the sum of its proper divisors (185053041).

272026881 is a wasteful number, since it uses less digits than its factorization.

272026881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616861 (or 616851 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 272026881 is about 16493.2374323539. The cubic root of 272026881 is about 647.9437036712.

The spelling of 272026881 in words is "two hundred seventy-two million, twenty-six thousand, eight hundred eighty-one".