272097639 has 24 divisors (see below), whose sum is σ = 430329744. Its totient is φ = 164304000.

The previous prime is 272097619. The next prime is 272097649. The reversal of 272097639 is 936790272.

It is a happy number.

272097639 is a `hidden beast` number, since 2 + 7 + 2 + 0 + 9 + 7 + 639 = 666.

It is not a de Polignac number, because 272097639 - 2¹² = 272093543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272097594 and 272097603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272097619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22929 + ... + 32709.

It is an arithmetic number, because the mean of its divisors is an integer number (17930406).

Almost surely, 2^272097639 is an apocalyptic number.

272097639 is a deficient number, since it is larger than the sum of its proper divisors (158232105).

272097639 is a wasteful number, since it uses less digits than its factorization.

272097639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079 (or 10076 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 272097639 is about 16495.3823538589. The cubic root of 272097639 is about 647.9998785436. Note that the first 3 decimals are identical.

The spelling of 272097639 in words is "two hundred seventy-two million, ninety-seven thousand, six hundred thirty-nine".