68061604 has 48 divisors (see below), whose sum is σ = 133672000. Its totient is φ = 30119040.

The previous prime is 68061583. The next prime is 68061613. The reversal of 68061604 is 40616086.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136147 + ... + 136645.

Almost surely, 2^68061604 is an apocalyptic number.

It is an amenable number.

68061604 is a deficient number, since it is larger than the sum of its proper divisors (65610396).

68061604 is a wasteful number, since it uses less digits than its factorization.

68061604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 68061604 is about 8249.9456967910. The cubic root of 68061604 is about 408.2887309698.

The spelling of 68061604 in words is "sixty-eight million, sixty-one thousand, six hundred four".