276649942 has 32 divisors (see below), whose sum is σ = 449003520. Its totient is φ = 127370880.

The previous prime is 276649897. The next prime is 276649949. The reversal of 276649942 is 249946672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276649949) 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 in 15 ways as a sum of consecutive naturals, for example, 340717 + ... + 341527.

It is an arithmetic number, because the mean of its divisors is an integer number (14031360).

Almost surely, 2^276649942 is an apocalyptic number.

276649942 is a deficient number, since it is larger than the sum of its proper divisors (172353578).

276649942 is a wasteful number, since it uses less digits than its factorization.

276649942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 1306368, while the sum is 49.

The square root of 276649942 is about 16632.7971790676. The cubic root of 276649942 is about 651.5936767899.

The spelling of 276649942 in words is "two hundred seventy-six million, six hundred forty-nine thousand, nine hundred forty-two".