276725242 has 4 divisors (see below), whose sum is σ = 415087866. Its totient is φ = 138362620.

The previous prime is 276725227. The next prime is 276725249. The reversal of 276725242 is 242527672.

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., 276523641 + 201601 = 16629^2 + 449^2 .

It is not an unprimeable number, because it can be changed into a prime (276725249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69181309 + ... + 69181312.

Almost surely, 2^276725242 is an apocalyptic number.

276725242 is a deficient number, since it is larger than the sum of its proper divisors (138362624).

276725242 is a wasteful number, since it uses less digits than its factorization.

276725242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138362623.

The product of its digits is 94080, while the sum is 37.

The square root of 276725242 is about 16635.0606250774. The cubic root of 276725242 is about 651.6527894633.

The spelling of 276725242 in words is "two hundred seventy-six million, seven hundred twenty-five thousand, two hundred forty-two".