67972455268 has 24 divisors (see below), whose sum is σ = 121811454072. Its totient is φ = 33175693824.

The previous prime is 67972455211. The next prime is 67972455269. The reversal of 67972455268 is 86255427976.

It can be written as a sum of positive squares in 4 ways, for example, as 46919025664 + 21053429604 = 216608^2 + 145098^2 .

It is not an unprimeable number, because it can be changed into a prime (67972455269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772005 + ... + 855532.

It is an arithmetic number, because the mean of its divisors is an integer number (5075477253).

Almost surely, 2^67972455268 is an apocalyptic number.

It is an amenable number.

67972455268 is a deficient number, since it is larger than the sum of its proper divisors (53838998804).

67972455268 is a wasteful number, since it uses less digits than its factorization.

67972455268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627791 (or 1627789 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 61.

The spelling of 67972455268 in words is "sixty-seven billion, nine hundred seventy-two million, four hundred fifty-five thousand, two hundred sixty-eight".