275727274 has 4 divisors (see below), whose sum is σ = 413590914. Its totient is φ = 137863636.

The previous prime is 275727271. The next prime is 275727317. The reversal of 275727274 is 472727572.

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

It can be written as a sum of positive squares in only one way, i.e., 271755225 + 3972049 = 16485^2 + 1993^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 275727274.

It is not an unprimeable number, because it can be changed into a prime (275727271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68931817 + ... + 68931820.

Almost surely, 2^275727274 is an apocalyptic number.

275727274 is a deficient number, since it is larger than the sum of its proper divisors (137863640).

275727274 is a wasteful number, since it uses less digits than its factorization.

275727274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137863639.

The product of its digits is 384160, while the sum is 43.

The square root of 275727274 is about 16605.0376091113. The cubic root of 275727274 is about 650.8684832598.

The spelling of 275727274 in words is "two hundred seventy-five million, seven hundred twenty-seven thousand, two hundred seventy-four".