274715689 has 4 divisors (see below), whose sum is σ = 274947156. Its totient is φ = 274484224.

The previous prime is 274715669. The next prime is 274715723. The reversal of 274715689 is 986517472.

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

It can be written as a sum of positive squares in 2 ways, for example, as 118265625 + 156450064 = 10875^2 + 12508^2 .

It is a cyclic number.

It is not a de Polignac number, because 274715689 - 2⁷ = 274715561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274715629) 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, 113944 + ... + 116329.

It is an arithmetic number, because the mean of its divisors is an integer number (68736789).

Almost surely, 2^274715689 is an apocalyptic number.

It is an amenable number.

274715689 is a deficient number, since it is larger than the sum of its proper divisors (231467).

274715689 is a wasteful number, since it uses less digits than its factorization.

274715689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231466.

The product of its digits is 846720, while the sum is 49.

The square root of 274715689 is about 16574.5494358067. The cubic root of 274715689 is about 650.0715416325.

The spelling of 274715689 in words is "two hundred seventy-four million, seven hundred fifteen thousand, six hundred eighty-nine".