1972272396068 has 24 divisors (see below), whose sum is σ = 3717209895168. Its totient is φ = 910222017696.

The previous prime is 1972272396047. The next prime is 1972272396091. The reversal of 1972272396068 is 8606932722791.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1972272396068.

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, 362996 + ... + 2018987.

It is an arithmetic number, because the mean of its divisors is an integer number (154883745632).

Almost surely, 2^{1972272396068} is an apocalyptic number.

It is an amenable number.

1972272396068 is a deficient number, since it is larger than the sum of its proper divisors (1744937499100).

1972272396068 is a wasteful number, since it uses less digits than its factorization.

1972272396068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397923 (or 2397921 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 1972272396068 in words is "one trillion, nine hundred seventy-two billion, two hundred seventy-two million, three hundred ninety-six thousand, sixty-eight".