276564994 has 4 divisors (see below), whose sum is σ = 414847494. Its totient is φ = 138282496.

The previous prime is 276564943. The next prime is 276565001. The reversal of 276564994 is 499465672.

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., 144889369 + 131675625 = 12037^2 + 11475^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69141247 + ... + 69141250.

Almost surely, 2^276564994 is an apocalyptic number.

276564994 is a deficient number, since it is larger than the sum of its proper divisors (138282500).

276564994 is a wasteful number, since it uses less digits than its factorization.

276564994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138282499.

The product of its digits is 3265920, while the sum is 52.

The square root of 276564994 is about 16630.2433536013. The cubic root of 276564994 is about 651.5269772808.

The spelling of 276564994 in words is "two hundred seventy-six million, five hundred sixty-four thousand, nine hundred ninety-four".