1972368836 has 24 divisors (see below), whose sum is σ = 3491255040. Its totient is φ = 974901312.

The previous prime is 1972368833. The next prime is 1972368877. The reversal of 1972368836 is 6388632791.

It is not an unprimeable number, because it can be changed into a prime (1972368833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 250325 + ... + 258083.

It is an arithmetic number, because the mean of its divisors is an integer number (145468960).

Almost surely, 2^1972368836 is an apocalyptic number.

It is an amenable number.

1972368836 is a deficient number, since it is larger than the sum of its proper divisors (1518886204).

1972368836 is a wasteful number, since it uses less digits than its factorization.

1972368836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483 (or 8481 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 1972368836 is about 44411.3593126804. The cubic root of 1972368836 is about 1254.0919418727.

The spelling of 1972368836 in words is "one billion, nine hundred seventy-two million, three hundred sixty-eight thousand, eight hundred thirty-six".