67348747472 has 20 divisors (see below), whose sum is σ = 130584117156. Its totient is φ = 33649620480.

The previous prime is 67348747469. The next prime is 67348747507. The reversal of 67348747472 is 27474784376.

67348747472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27045775936 + 40302971536 = 164456^2 + 200756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524623 + ... + 1568174.

Almost surely, 2^67348747472 is an apocalyptic number.

It is an amenable number.

67348747472 is a deficient number, since it is larger than the sum of its proper divisors (63235369684).

67348747472 is a wasteful number, since it uses less digits than its factorization.

67348747472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094166 (or 3094160 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 59.

The spelling of 67348747472 in words is "sixty-seven billion, three hundred forty-eight million, seven hundred forty-seven thousand, four hundred seventy-two".