274728151 has 4 divisors (see below), whose sum is σ = 274766904. Its totient is φ = 274689400.

The previous prime is 274728149. The next prime is 274728173. The reversal of 274728151 is 151827472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 274728151 - 2¹ = 274728149 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 274728151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274728101) 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, 5365 + ... + 24046.

It is an arithmetic number, because the mean of its divisors is an integer number (68691726).

Almost surely, 2^274728151 is an apocalyptic number.

274728151 is a deficient number, since it is larger than the sum of its proper divisors (38753).

274728151 is an equidigital number, since it uses as much as digits as its factorization.

274728151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38752.

The product of its digits is 31360, while the sum is 37.

The square root of 274728151 is about 16574.9253693644. The cubic root of 274728151 is about 650.0813712726.

The spelling of 274728151 in words is "two hundred seventy-four million, seven hundred twenty-eight thousand, one hundred fifty-one".