276742246 has 12 divisors (see below), whose sum is σ = 456282036. Its totient is φ = 125791820.

The previous prime is 276742237. The next prime is 276742259. The reversal of 276742246 is 642247672.

It is a super-2 number, since 2×276742246² = 153172541442249032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 276742199 and 276742208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 571540 + ... + 572023.

It is an arithmetic number, because the mean of its divisors is an integer number (38023503).

Almost surely, 2^276742246 is an apocalyptic number.

276742246 is a deficient number, since it is larger than the sum of its proper divisors (179539790).

276742246 is a wasteful number, since it uses less digits than its factorization.

276742246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143587 (or 1143576 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The square root of 276742246 is about 16635.5717064368. The cubic root of 276742246 is about 651.6661366098. Note that the first 3 decimals are identical.

The spelling of 276742246 in words is "two hundred seventy-six million, seven hundred forty-two thousand, two hundred forty-six".