67308972420 has 48 divisors (see below), whose sum is σ = 192848040000. Its totient is φ = 17531638656.

The previous prime is 67308972391. The next prime is 67308972431. The reversal of 67308972420 is 2427980376.

It is a self number, because there is not a number n which added to its sum of digits gives 67308972420.

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, 13041795 + ... + 13046954.

It is an arithmetic number, because the mean of its divisors is an integer number (4017667500).

Almost surely, 2^67308972420 is an apocalyptic number.

67308972420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67308972420 is an abundant number, since it is smaller than the sum of its proper divisors (125539067580).

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

67308972420 is a wasteful number, since it uses less digits than its factorization.

67308972420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26088804 (or 26088802 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 67308972420 in words is "sixty-seven billion, three hundred eight million, nine hundred seventy-two thousand, four hundred twenty".