67143725388 has 48 divisors (see below), whose sum is σ = 174901390720. Its totient is φ = 22275162000.

The previous prime is 67143725371. The next prime is 67143725393. The reversal of 67143725388 is 88352734176.

It is a happy number.

67143725388 is a `hidden beast` number, since 6 + 71 + 4 + 37 + 2 + 538 + 8 = 666.

67143725388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450438 + ... + 1496013.

Almost surely, 2^67143725388 is an apocalyptic number.

It is an amenable number.

67143725388 is an abundant number, since it is smaller than the sum of its proper divisors (107757665332).

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

67143725388 is a wasteful number, since it uses less digits than its factorization.

67143725388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946675 (or 2946667 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 67143725388 in words is "sixty-seven billion, one hundred forty-three million, seven hundred twenty-five thousand, three hundred eighty-eight".