68706552 has 32 divisors (see below), whose sum is σ = 171971280. Its totient is φ = 22874880.

The previous prime is 68706511. The next prime is 68706577. The reversal of 68706552 is 25560786.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68706552.

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, 34578 + ... + 36510.

Almost surely, 2^68706552 is an apocalyptic number.

It is an amenable number.

68706552 is an abundant number, since it is smaller than the sum of its proper divisors (103264728).

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

68706552 is a wasteful number, since it uses less digits than its factorization.

68706552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423 (or 3419 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 68706552 is about 8288.9415488348. The cubic root of 68706552 is about 409.5743192467.

The spelling of 68706552 in words is "sixty-eight million, seven hundred six thousand, five hundred fifty-two".