272428717 has 12 divisors (see below), whose sum is σ = 302367520. Its totient is φ = 245246760.

The previous prime is 272428703. The next prime is 272428729. The reversal of 272428717 is 717824272.

It is not a de Polignac number, because 272428717 - 2¹⁹ = 271904429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272428717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272428777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1534 + ... + 23392.

Almost surely, 2^272428717 is an apocalyptic number.

It is an amenable number.

272428717 is a deficient number, since it is larger than the sum of its proper divisors (29938803).

272428717 is a wasteful number, since it uses less digits than its factorization.

272428717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21984 (or 21973 counting only the distinct ones).

The product of its digits is 87808, while the sum is 40.

The square root of 272428717 is about 16505.4147781872. The cubic root of 272428717 is about 648.2625925082.

The spelling of 272428717 in words is "two hundred seventy-two million, four hundred twenty-eight thousand, seven hundred seventeen".