276450742 has 4 divisors (see below), whose sum is σ = 414676116. Its totient is φ = 138225370.

The previous prime is 276450721. The next prime is 276450743. The reversal of 276450742 is 247054672.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276450743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69112684 + ... + 69112687.

It is an arithmetic number, because the mean of its divisors is an integer number (103669029).

Almost surely, 2^276450742 is an apocalyptic number.

276450742 is a deficient number, since it is larger than the sum of its proper divisors (138225374).

276450742 is a wasteful number, since it uses less digits than its factorization.

276450742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138225373.

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

The square root of 276450742 is about 16626.8079317709. The cubic root of 276450742 is about 651.4372473022.

The spelling of 276450742 in words is "two hundred seventy-six million, four hundred fifty thousand, seven hundred forty-two".