670471743920 has 40 divisors (see below), whose sum is σ = 1700560152720. Its totient is φ = 243807906560.

The previous prime is 670471743913. The next prime is 670471743941. The reversal of 670471743920 is 29347174076.

It is a happy number.

670471743920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380948975 + ... + 380950734.

It is an arithmetic number, because the mean of its divisors is an integer number (42514003818).

Almost surely, 2^670471743920 is an apocalyptic number.

It is an amenable number.

670471743920 is an abundant number, since it is smaller than the sum of its proper divisors (1030088408800).

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

670471743920 is a wasteful number, since it uses less digits than its factorization.

670471743920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761899733 (or 761899727 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 670471743920 in words is "six hundred seventy billion, four hundred seventy-one million, seven hundred forty-three thousand, nine hundred twenty".