276400274 has 4 divisors (see below), whose sum is σ = 414600414. Its totient is φ = 138200136.

The previous prime is 276400261. The next prime is 276400283. The reversal of 276400274 is 472004672.

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., 194407249 + 81993025 = 13943^2 + 9055^2 .

It is a super-2 number, since 2×276400274² = 152794222934550152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276400274.

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, 69100067 + ... + 69100070.

Almost surely, 2^276400274 is an apocalyptic number.

276400274 is a deficient number, since it is larger than the sum of its proper divisors (138200140).

276400274 is a wasteful number, since it uses less digits than its factorization.

276400274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138200139.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 276400274 is about 16625.2901929560. The cubic root of 276400274 is about 651.3976034273.

The spelling of 276400274 in words is "two hundred seventy-six million, four hundred thousand, two hundred seventy-four".