68030218742 has 16 divisors (see below), whose sum is σ = 102997423152. Its totient is φ = 33698031360.

The previous prime is 68030218721. The next prime is 68030218799. The reversal of 68030218742 is 24781203086.

It is a super-2 number, since 2×68030218742² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68030218742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410978 + ... + 552234.

It is an arithmetic number, because the mean of its divisors is an integer number (6437338947).

Almost surely, 2^68030218742 is an apocalyptic number.

68030218742 is a deficient number, since it is larger than the sum of its proper divisors (34967204410).

68030218742 is a wasteful number, since it uses less digits than its factorization.

68030218742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143503.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 68030218742 in words is "sixty-eight billion, thirty million, two hundred eighteen thousand, seven hundred forty-two".