67825497942 has 72 divisors (see below), whose sum is σ = 152777649024. Its totient is φ = 21730959072.

The previous prime is 67825497881. The next prime is 67825497977. The reversal of 67825497942 is 24979452876.

67825497942 is a `hidden beast` number, since 6 + 7 + 82 + 549 + 7 + 9 + 4 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67825497942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4580683 + ... + 4595465.

It is an arithmetic number, because the mean of its divisors is an integer number (2121911792).

Almost surely, 2^67825497942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67825497942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76388824512).

67825497942 is an abundant number, since it is smaller than the sum of its proper divisors (84952151082).

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

67825497942 is a wasteful number, since it uses less digits than its factorization.

67825497942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14994 (or 14908 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 67825497942 in words is "sixty-seven billion, eight hundred twenty-five million, four hundred ninety-seven thousand, nine hundred forty-two".