68000806734 has 48 divisors (see below), whose sum is σ = 158339387088. Its totient is φ = 19412416128.

The previous prime is 68000806723. The next prime is 68000806739. The reversal of 68000806734 is 43760800086.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68000806739) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 253804 + ... + 447680.

It is an arithmetic number, because the mean of its divisors is an integer number (3298737231).

Almost surely, 2^68000806734 is an apocalyptic number.

68000806734 is an abundant number, since it is smaller than the sum of its proper divisors (90338580354).

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

68000806734 is a wasteful number, since it uses less digits than its factorization.

68000806734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195089 (or 195082 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 68000806734 in words is "sixty-eight billion, eight hundred six thousand, seven hundred thirty-four".