68856670 has 8 divisors (see below), whose sum is σ = 123942024. Its totient is φ = 27542664.

The previous prime is 68856629. The next prime is 68856679. The reversal of 68856670 is 7665886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68856670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68856679) 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, 3442824 + ... + 3442843.

It is an arithmetic number, because the mean of its divisors is an integer number (15492753).

Almost surely, 2^68856670 is an apocalyptic number.

68856670 is a deficient number, since it is larger than the sum of its proper divisors (55085354).

68856670 is a wasteful number, since it uses less digits than its factorization.

68856670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6885674.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 68856670 is about 8297.9919257613. The cubic root of 68856670 is about 409.8723973323.

The spelling of 68856670 in words is "sixty-eight million, eight hundred fifty-six thousand, six hundred seventy".