68970741840 has 2000 divisors, whose sum is σ = 338899309056. Its totient is φ = 12802406400.

The previous prime is 68970741797. The next prime is 68970741841. The reversal of 68970741840 is 4814707986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68970741841) by changing a digit.

It is a polite number, since it can be written in 399 ways as a sum of consecutive naturals, for example, 2224862625 + ... + 2224862655.

Almost surely, 2^68970741840 is an apocalyptic number.

68970741840 is a gapful number since it is divisible by the number (60) 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 68970741840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169449654528).

68970741840 is an abundant number, since it is smaller than the sum of its proper divisors (269928567216).

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

68970741840 is a wasteful number, since it uses less digits than its factorization.

68970741840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 68970741840 in words is "sixty-eight billion, nine hundred seventy million, seven hundred forty-one thousand, eight hundred forty".