68536267734 has 32 divisors (see below), whose sum is σ = 157403871360. Its totient is φ = 19675483200.

The previous prime is 68536267729. The next prime is 68536267739. The reversal of 68536267734 is 43776263586.

It is an interprime number because it is at equal distance from previous prime (68536267729) and next prime (68536267739).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68536267739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27325807 + ... + 27328314.

It is an arithmetic number, because the mean of its divisors is an integer number (4918870980).

Almost surely, 2^68536267734 is an apocalyptic number.

68536267734 is an abundant number, since it is smaller than the sum of its proper divisors (88867603626).

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

68536267734 is a wasteful number, since it uses less digits than its factorization.

68536267734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54654156.

The product of its digits is 30481920, while the sum is 57.

The spelling of 68536267734 in words is "sixty-eight billion, five hundred thirty-six million, two hundred sixty-seven thousand, seven hundred thirty-four".