68422408 has 8 divisors (see below), whose sum is σ = 128292030. Its totient is φ = 34211200.

The previous prime is 68422337. The next prime is 68422411. The reversal of 68422408 is 80422486.

It can be written as a sum of positive squares in only one way, i.e., 35497764 + 32924644 = 5958^2 + 5738^2 .

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

It is an unprimeable number.

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, 4276393 + ... + 4276408.

Almost surely, 2^68422408 is an apocalyptic number.

It is an amenable number.

68422408 is a deficient number, since it is larger than the sum of its proper divisors (59869622).

68422408 is a wasteful number, since it uses less digits than its factorization.

68422408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552807 (or 8552803 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 68422408 is about 8271.7838463055. The cubic root of 68422408 is about 409.0089249073.

The spelling of 68422408 in words is "sixty-eight million, four hundred twenty-two thousand, four hundred eight".