68032000476 has 144 divisors (see below), whose sum is σ = 200184042240. Its totient is φ = 19263018240.

The previous prime is 68032000471. The next prime is 68032000481. The reversal of 68032000476 is 67400023086.

It is an interprime number because it is at equal distance from previous prime (68032000471) and next prime (68032000481).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 68032000476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68032000471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 487321 + ... + 611183.

It is an arithmetic number, because the mean of its divisors is an integer number (1390166960).

Almost surely, 2^68032000476 is an apocalyptic number.

68032000476 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68032000476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100092021120).

68032000476 is an abundant number, since it is smaller than the sum of its proper divisors (132152041764).

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

68032000476 is a wasteful number, since it uses less digits than its factorization.

68032000476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123976 (or 123971 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 68032000476 in words is "sixty-eight billion, thirty-two million, four hundred seventy-six", and thus it is an aban number.