68142633 has 8 divisors (see below), whose sum is σ = 97845888. Its totient is φ = 41933904.

The previous prime is 68142631. The next prime is 68142643. The reversal of 68142633 is 33624186.

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

It is not a de Polignac number, because 68142633 - 2¹ = 68142631 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68142594 and 68142603.

It is not an unprimeable number, because it can be changed into a prime (68142631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873585 + ... + 873662.

It is an arithmetic number, because the mean of its divisors is an integer number (12230736).

Almost surely, 2^68142633 is an apocalyptic number.

It is an amenable number.

68142633 is a deficient number, since it is larger than the sum of its proper divisors (29703255).

68142633 is a wasteful number, since it uses less digits than its factorization.

68142633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747263.

The product of its digits is 20736, while the sum is 33.

The square root of 68142633 is about 8254.8551168388. The cubic root of 68142633 is about 408.4506926120.

The spelling of 68142633 in words is "sixty-eight million, one hundred forty-two thousand, six hundred thirty-three".