272428997 has 8 divisors (see below), whose sum is σ = 284472960. Its totient is φ = 260401680.

The previous prime is 272428993. The next prime is 272428999. The reversal of 272428997 is 799824272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272428997 - 2² = 272428993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272428993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38879 + ... + 45347.

It is an arithmetic number, because the mean of its divisors is an integer number (35559120).

Almost surely, 2^272428997 is an apocalyptic number.

It is an amenable number.

272428997 is a deficient number, since it is larger than the sum of its proper divisors (12043963).

272428997 is a wasteful number, since it uses less digits than its factorization.

272428997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its digits is 1016064, while the sum is 50.

The square root of 272428997 is about 16505.4232602499. The cubic root of 272428997 is about 648.2628146011.

The spelling of 272428997 in words is "two hundred seventy-two million, four hundred twenty-eight thousand, nine hundred ninety-seven".