67670477020 has 12 divisors (see below), whose sum is σ = 142108001784. Its totient is φ = 27068190800.

The previous prime is 67670476997. The next prime is 67670477033. The reversal of 67670477020 is 2077407676.

It is a super-2 number, since 2×67670477020² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691761906 + ... + 1691761945.

It is an arithmetic number, because the mean of its divisors is an integer number (11842333482).

Almost surely, 2^67670477020 is an apocalyptic number.

It is an amenable number.

67670477020 is an abundant number, since it is smaller than the sum of its proper divisors (74437524764).

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

67670477020 is a wasteful number, since it uses less digits than its factorization.

67670477020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383523860 (or 3383523858 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 67670477020 in words is "sixty-seven billion, six hundred seventy million, four hundred seventy-seven thousand, twenty".