68406604 has 12 divisors (see below), whose sum is σ = 136813264. Its totient is φ = 29317104.

The previous prime is 68406601. The next prime is 68406607. The reversal of 68406604 is 40660486.

It is an interprime number because it is at equal distance from previous prime (68406601) and next prime (68406607).

68406604 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68406604.

It is not an unprimeable number, because it can be changed into a prime (68406601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221519 + ... + 1221574.

Almost surely, 2^68406604 is an apocalyptic number.

It is an amenable number.

68406604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68406604 is a wasteful number, since it uses less digits than its factorization.

68406604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443104 (or 2443102 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 68406604 is about 8270.8284953806. The cubic root of 68406604 is about 408.9774319360.

The spelling of 68406604 in words is "sixty-eight million, four hundred six thousand, six hundred four".