68517958 has 8 divisors (see below), whose sum is σ = 102874752. Its totient is φ = 34226376.

The previous prime is 68517949. The next prime is 68517961. The reversal of 68517958 is 85971586.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13585 + ... + 17932.

It is an arithmetic number, because the mean of its divisors is an integer number (12859344).

Almost surely, 2^68517958 is an apocalyptic number.

68517958 is a deficient number, since it is larger than the sum of its proper divisors (34356794).

68517958 is a wasteful number, since it uses less digits than its factorization.

68517958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32606.

The product of its digits is 604800, while the sum is 49.

The square root of 68517958 is about 8277.5574899846. The cubic root of 68517958 is about 409.1992262343.

The spelling of 68517958 in words is "sixty-eight million, five hundred seventeen thousand, nine hundred fifty-eight".