68427976 has 8 divisors (see below), whose sum is σ = 128302470. Its totient is φ = 34213984.

The previous prime is 68427973. The next prime is 68427977. The reversal of 68427976 is 67972486.

It can be written as a sum of positive squares in only one way, i.e., 35640900 + 32787076 = 5970^2 + 5726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68427973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4276741 + ... + 4276756.

Almost surely, 2^68427976 is an apocalyptic number.

It is an amenable number.

68427976 is a deficient number, since it is larger than the sum of its proper divisors (59874494).

68427976 is a wasteful number, since it uses less digits than its factorization.

68427976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553503 (or 8553499 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 68427976 is about 8272.1204053133. The cubic root of 68427976 is about 409.0200192256.

The spelling of 68427976 in words is "sixty-eight million, four hundred twenty-seven thousand, nine hundred seventy-six".