1968073320 has 32 divisors (see below), whose sum is σ = 5904220320. Its totient is φ = 524819520.

The previous prime is 1968073319. The next prime is 1968073369. The reversal of 1968073320 is 233708691.

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, 8200186 + ... + 8200425.

It is an arithmetic number, because the mean of its divisors is an integer number (184506885).

Almost surely, 2^1968073320 is an apocalyptic number.

1968073320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1968073320 is an abundant number, since it is smaller than the sum of its proper divisors (3936147000).

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

1968073320 is a wasteful number, since it uses less digits than its factorization.

1968073320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16400625 (or 16400621 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1968073320 is about 44362.9723981611. The cubic root of 1968073320 is about 1253.1808737014.

The spelling of 1968073320 in words is "one billion, nine hundred sixty-eight million, seventy-three thousand, three hundred twenty".