68315542 has 8 divisors (see below), whose sum is σ = 105242976. Its totient is φ = 33234552.

The previous prime is 68315531. The next prime is 68315549. The reversal of 68315542 is 24551386.

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 = 68315498 and 68315507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68315549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461518 + ... + 461665.

It is an arithmetic number, because the mean of its divisors is an integer number (13155372).

Almost surely, 2^68315542 is an apocalyptic number.

68315542 is a deficient number, since it is larger than the sum of its proper divisors (36927434).

68315542 is a wasteful number, since it uses less digits than its factorization.

68315542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923222.

The product of its digits is 28800, while the sum is 34.

The square root of 68315542 is about 8265.3216513334. The cubic root of 68315542 is about 408.7958761678.

The spelling of 68315542 in words is "sixty-eight million, three hundred fifteen thousand, five hundred forty-two".