68765556 has 24 divisors (see below), whose sum is σ = 160704544. Its totient is φ = 22885920.

The previous prime is 68765519. The next prime is 68765591. The reversal of 68765556 is 65556786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4146 + ... + 12438.

Almost surely, 2^68765556 is an apocalyptic number.

It is a pronic number, being equal to 8292×8293.

It is an amenable number.

68765556 is an abundant number, since it is smaller than the sum of its proper divisors (91938988).

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

68765556 is a wasteful number, since it uses less digits than its factorization.

68765556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991 (or 8989 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 48.

The square root of 68765556 is about 8292.4999849261. The cubic root of 68765556 is about 409.6915308167.

The spelling of 68765556 in words is "sixty-eight million, seven hundred sixty-five thousand, five hundred fifty-six".