272028771 has 12 divisors (see below), whose sum is σ = 449063472. Its totient is φ = 155444976.

The previous prime is 272028739. The next prime is 272028791. The reversal of 272028771 is 177820272.

It is not a de Polignac number, because 272028771 - 2⁵ = 272028739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272028791) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2158896 + ... + 2159021.

It is an arithmetic number, because the mean of its divisors is an integer number (37421956).

Almost surely, 2^272028771 is an apocalyptic number.

272028771 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

272028771 is a deficient number, since it is larger than the sum of its proper divisors (177034701).

272028771 is a wasteful number, since it uses less digits than its factorization.

272028771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317930 (or 4317927 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 272028771 is about 16493.2947284647. The cubic root of 272028771 is about 647.9452042714.

The spelling of 272028771 in words is "two hundred seventy-two million, twenty-eight thousand, seven hundred seventy-one".