276742274 has 4 divisors (see below), whose sum is σ = 415113414. Its totient is φ = 138371136.

The previous prime is 276742267. The next prime is 276742307. The reversal of 276742274 is 472247672.

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., 276390625 + 351649 = 16625^2 + 593^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69185567 + ... + 69185570.

Almost surely, 2^276742274 is an apocalyptic number.

276742274 is a deficient number, since it is larger than the sum of its proper divisors (138371140).

276742274 is a wasteful number, since it uses less digits than its factorization.

276742274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138371139.

The product of its digits is 263424, while the sum is 41.

The square root of 276742274 is about 16635.5725480069. The cubic root of 276742274 is about 651.6661585877. Note that the first 3 decimals are identical.

The spelling of 276742274 in words is "two hundred seventy-six million, seven hundred forty-two thousand, two hundred seventy-four".