68036729532 has 24 divisors (see below), whose sum is σ = 162444285696. Its totient is φ = 22151493168.

The previous prime is 68036729531. The next prime is 68036729533. The reversal of 68036729532 is 23592763086.

It is an interprime number because it is at equal distance from previous prime (68036729531) and next prime (68036729533).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68036729531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65926548 + ... + 65927579.

It is an arithmetic number, because the mean of its divisors is an integer number (6768511904).

Almost surely, 2^68036729532 is an apocalyptic number.

It is an amenable number.

68036729532 is an abundant number, since it is smaller than the sum of its proper divisors (94407556164).

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

68036729532 is a wasteful number, since it uses less digits than its factorization.

68036729532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131854177 (or 131854175 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 68036729532 in words is "sixty-eight billion, thirty-six million, seven hundred twenty-nine thousand, five hundred thirty-two".