276561094 has 4 divisors (see below), whose sum is σ = 414841644. Its totient is φ = 138280546.

The previous prime is 276561091. The next prime is 276561119. The reversal of 276561094 is 490165672.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276561091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69140272 + ... + 69140275.

It is an arithmetic number, because the mean of its divisors is an integer number (103710411).

Almost surely, 2^276561094 is an apocalyptic number.

276561094 is a deficient number, since it is larger than the sum of its proper divisors (138280550).

276561094 is a wasteful number, since it uses less digits than its factorization.

276561094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138280549.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 276561094 is about 16630.1260969362. The cubic root of 276561094 is about 651.5239147491.

The spelling of 276561094 in words is "two hundred seventy-six million, five hundred sixty-one thousand, ninety-four".