320012737738 has 8 divisors (see below), whose sum is σ = 490232279232. Its totient is φ = 156601977996.

The previous prime is 320012737729. The next prime is 320012737819. The reversal of 320012737738 is 837737210023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320012737694 and 320012737703.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1702195320 + ... + 1702195507.

It is an arithmetic number, because the mean of its divisors is an integer number (61279034904).

Almost surely, 2^320012737738 is an apocalyptic number.

320012737738 is a deficient number, since it is larger than the sum of its proper divisors (170219541494).

320012737738 is a wasteful number, since it uses less digits than its factorization.

320012737738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404390876.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 320012737738 in words is "three hundred twenty billion, twelve million, seven hundred thirty-seven thousand, seven hundred thirty-eight".