1427443768 has 32 divisors (see below), whose sum is σ = 2737949760. Its totient is φ = 697374720.

The previous prime is 1427443747. The next prime is 1427443769. The reversal of 1427443768 is 8673447241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427443769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250228 + ... + 255868.

It is an arithmetic number, because the mean of its divisors is an integer number (85560930).

Almost surely, 2^1427443768 is an apocalyptic number.

It is an amenable number.

1427443768 is a deficient number, since it is larger than the sum of its proper divisors (1310505992).

1427443768 is a wasteful number, since it uses less digits than its factorization.

1427443768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367 (or 6363 counting only the distinct ones).

The product of its digits is 903168, while the sum is 46.

The square root of 1427443768 is about 37781.5268087461. The cubic root of 1427443768 is about 1125.9514631931.

The spelling of 1427443768 in words is "one billion, four hundred twenty-seven million, four hundred forty-three thousand, seven hundred sixty-eight".