272715457 has 4 divisors (see below), whose sum is σ = 311674816. Its totient is φ = 233756100.

The previous prime is 272715451. The next prime is 272715461. The reversal of 272715457 is 754517272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272715457 - 2⁷ = 272715329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272715451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19479669 + ... + 19479682.

It is an arithmetic number, because the mean of its divisors is an integer number (77918704).

Almost surely, 2^272715457 is an apocalyptic number.

It is an amenable number.

272715457 is a deficient number, since it is larger than the sum of its proper divisors (38959359).

272715457 is an equidigital number, since it uses as much as digits as its factorization.

272715457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38959358.

The product of its digits is 137200, while the sum is 40.

The square root of 272715457 is about 16514.0987341120. The cubic root of 272715457 is about 648.4899518459.

The spelling of 272715457 in words is "two hundred seventy-two million, seven hundred fifteen thousand, four hundred fifty-seven".