272625681 has 4 divisors (see below), whose sum is σ = 363500912. Its totient is φ = 181750452.

The previous prime is 272625673. The next prime is 272625713. The reversal of 272625681 is 186526272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 272625681 - 2³ = 272625673 is a prime.

It is a super-2 number, since 2×272625681² = 148649523881427522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272625641) 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 3 ways as a sum of consecutive naturals, for example, 45437611 + ... + 45437616.

It is an arithmetic number, because the mean of its divisors is an integer number (90875228).

Almost surely, 2^272625681 is an apocalyptic number.

It is an amenable number.

272625681 is a deficient number, since it is larger than the sum of its proper divisors (90875231).

272625681 is an equidigital number, since it uses as much as digits as its factorization.

272625681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90875230.

The product of its digits is 80640, while the sum is 39.

The square root of 272625681 is about 16511.3803481114. The cubic root of 272625681 is about 648.4187846006.

The spelling of 272625681 in words is "two hundred seventy-two million, six hundred twenty-five thousand, six hundred eighty-one".