276746642 has 8 divisors (see below), whose sum is σ = 415203516. Its totient is φ = 138345472.

The previous prime is 276746633. The next prime is 276746663. The reversal of 276746642 is 246647672.

It can be written as a sum of positive squares in 2 ways, for example, as 228040201 + 48706441 = 15101^2 + 6979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 276746593 and 276746602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258 + ... + 23634.

Almost surely, 2^276746642 is an apocalyptic number.

276746642 is a deficient number, since it is larger than the sum of its proper divisors (138456874).

276746642 is a wasteful number, since it uses less digits than its factorization.

276746642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27852.

The product of its digits is 677376, while the sum is 44.

The square root of 276746642 is about 16635.7038324202. The cubic root of 276746642 is about 651.6695871240.

The spelling of 276746642 in words is "two hundred seventy-six million, seven hundred forty-six thousand, six hundred forty-two".