68138582 has 8 divisors (see below), whose sum is σ = 102459000. Its totient is φ = 33985584.

The previous prime is 68138573. The next prime is 68138593. The reversal of 68138582 is 28583186.

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, 40832 + ... + 42467.

It is an arithmetic number, because the mean of its divisors is an integer number (12807375).

Almost surely, 2^68138582 is an apocalyptic number.

68138582 is a deficient number, since it is larger than the sum of its proper divisors (34320418).

68138582 is a wasteful number, since it uses less digits than its factorization.

68138582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83710.

The product of its digits is 92160, while the sum is 41.

The square root of 68138582 is about 8254.6097424409. The cubic root of 68138582 is about 408.4425984793.

The spelling of 68138582 in words is "sixty-eight million, one hundred thirty-eight thousand, five hundred eighty-two".