272868421 has 8 divisors (see below), whose sum is σ = 316504640. Its totient is φ = 230395968.

The previous prime is 272868413. The next prime is 272868439. The reversal of 272868421 is 124868272.

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 272868421 - 2³ = 272868413 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 (272868461) 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, 290436 + ... + 291373.

It is an arithmetic number, because the mean of its divisors is an integer number (39563080).

Almost surely, 2^272868421 is an apocalyptic number.

It is an amenable number.

272868421 is a deficient number, since it is larger than the sum of its proper divisors (43636219).

272868421 is an equidigital number, since it uses as much as digits as its factorization.

272868421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581883.

The product of its digits is 86016, while the sum is 40.

The square root of 272868421 is about 16518.7294002898. The cubic root of 272868421 is about 648.6111735249.

The spelling of 272868421 in words is "two hundred seventy-two million, eight hundred sixty-eight thousand, four hundred twenty-one".