68130057 has 8 divisors (see below), whose sum is σ = 91221120. Its totient is φ = 45229520.

The previous prime is 68130053. The next prime is 68130079. The reversal of 68130057 is 75003186.

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

It is a cyclic number.

It is not a de Polignac number, because 68130057 - 2² = 68130053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68130053) 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 7 ways as a sum of consecutive naturals, for example, 46794 + ... + 48227.

It is an arithmetic number, because the mean of its divisors is an integer number (11402640).

Almost surely, 2^68130057 is an apocalyptic number.

It is an amenable number.

68130057 is a deficient number, since it is larger than the sum of its proper divisors (23091063).

68130057 is a wasteful number, since it uses less digits than its factorization.

68130057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95263.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 68130057 is about 8254.0933481516. The cubic root of 68130057 is about 408.4255639873.

The spelling of 68130057 in words is "sixty-eight million, one hundred thirty thousand, fifty-seven".