68210475744 has 48 divisors (see below), whose sum is σ = 179072474112. Its totient is φ = 22734288768.

The previous prime is 68210475731. The next prime is 68210475791. The reversal of 68210475744 is 44757401286.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 68210475693 and 68210475702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954607 + ... + 1023569.

It is an arithmetic number, because the mean of its divisors is an integer number (3730676544).

Almost surely, 2^68210475744 is an apocalyptic number.

It is an amenable number.

68210475744 is an abundant number, since it is smaller than the sum of its proper divisors (110861998368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68210475744 is a wasteful number, since it uses less digits than its factorization.

68210475744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79279 (or 79271 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 68210475744 in words is "sixty-eight billion, two hundred ten million, four hundred seventy-five thousand, seven hundred forty-four".