32347902320 has 80 divisors (see below), whose sum is σ = 77889681408. Its totient is φ = 12480687360.

The previous prime is 32347902317. The next prime is 32347902331. The reversal of 32347902320 is 2320974323.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×32347902320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740117 + ... + 782603.

Almost surely, 2^32347902320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32347902320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38944840704).

32347902320 is an abundant number, since it is smaller than the sum of its proper divisors (45541779088).

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

32347902320 is a wasteful number, since it uses less digits than its factorization.

32347902320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42838 (or 42832 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 32347902320 in words is "thirty-two billion, three hundred forty-seven million, nine hundred two thousand, three hundred twenty".