68387404 has 6 divisors (see below), whose sum is σ = 119677964. Its totient is φ = 34193700.

The previous prime is 68387401. The next prime is 68387461. The reversal of 68387404 is 40478386.

It is not an unprimeable number, because it can be changed into a prime (68387401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8548422 + ... + 8548429.

Almost surely, 2^68387404 is an apocalyptic number.

It is an amenable number.

68387404 is a deficient number, since it is larger than the sum of its proper divisors (51290560).

68387404 is a wasteful number, since it uses less digits than its factorization.

68387404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17096855 (or 17096853 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 68387404 is about 8269.6677079554. The cubic root of 68387404 is about 408.9391651557.

The spelling of 68387404 in words is "sixty-eight million, three hundred eighty-seven thousand, four hundred four".