272012605 has 16 divisors (see below), whose sum is σ = 352356480. Its totient is φ = 200968768.

The previous prime is 272012593. The next prime is 272012623. The reversal of 272012605 is 506210272.

It is a cyclic number.

It is not a de Polignac number, because 272012605 - 2¹⁵ = 271979837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272012605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37447 + ... + 44116.

It is an arithmetic number, because the mean of its divisors is an integer number (22022280).

Almost surely, 2^272012605 is an apocalyptic number.

It is an amenable number.

272012605 is a deficient number, since it is larger than the sum of its proper divisors (80343875).

272012605 is a wasteful number, since it uses less digits than its factorization.

272012605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81620.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 272012605 is about 16492.8046432376. The cubic root of 272012605 is about 647.9323687545.

Adding to 272012605 its reverse (506210272), we get a palindrome (778222877).

The spelling of 272012605 in words is "two hundred seventy-two million, twelve thousand, six hundred five".