272347081 has 4 divisors (see below), whose sum is σ = 272381200. Its totient is φ = 272312964.

The previous prime is 272347057. The next prime is 272347099. The reversal of 272347081 is 180743272.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 272347081 - 2¹¹ = 272345033 is a prime.

It is a super-2 number, since 2×272347081² = 148345865058441122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272341081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2050 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (68095300).

Almost surely, 2^272347081 is an apocalyptic number.

It is an amenable number.

272347081 is a deficient number, since it is larger than the sum of its proper divisors (34119).

272347081 is a wasteful number, since it uses less digits than its factorization.

272347081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34118.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 272347081 is about 16502.9415862749. The cubic root of 272347081 is about 648.1978332413.

The spelling of 272347081 in words is "two hundred seventy-two million, three hundred forty-seven thousand, eighty-one".