68612542 has 8 divisors (see below), whose sum is σ = 107393616. Its totient is φ = 32814672.

The previous prime is 68612513. The next prime is 68612549. The reversal of 68612542 is 24521686.

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

It is a junction number, because it is equal to n+sod(n) for n = 68612498 and 68612507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68612549) 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, 745743 + ... + 745834.

It is an arithmetic number, because the mean of its divisors is an integer number (13424202).

Almost surely, 2^68612542 is an apocalyptic number.

68612542 is a deficient number, since it is larger than the sum of its proper divisors (38781074).

68612542 is a wasteful number, since it uses less digits than its factorization.

68612542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491602.

The product of its digits is 23040, while the sum is 34.

The square root of 68612542 is about 8283.2687992121. The cubic root of 68612542 is about 409.3874294694.

The spelling of 68612542 in words is "sixty-eight million, six hundred twelve thousand, five hundred forty-two".