272680137 has 6 divisors (see below), whose sum is σ = 393871322. Its totient is φ = 181786752.

The previous prime is 272680129. The next prime is 272680139. The reversal of 272680137 is 731086272.

It can be written as a sum of positive squares in only one way, i.e., 204518601 + 68161536 = 14301^2 + 8256^2 .

It is not a de Polignac number, because 272680137 - 2³ = 272680129 is a prime.

It is a super-2 number, since 2×272680137² = 148708914228677538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272680139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15148888 + ... + 15148905.

Almost surely, 2^272680137 is an apocalyptic number.

It is an amenable number.

272680137 is a deficient number, since it is larger than the sum of its proper divisors (121191185).

272680137 is a wasteful number, since it uses less digits than its factorization.

272680137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30297799 (or 30297796 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 272680137 is about 16513.0293102144. The cubic root of 272680137 is about 648.4619548337.

The spelling of 272680137 in words is "two hundred seventy-two million, six hundred eighty thousand, one hundred thirty-seven".