30722672000 has 128 divisors (see below), whose sum is σ = 80878150080. Its totient is φ = 11566080000.

The previous prime is 30722671957. The next prime is 30722672009. The reversal of 30722672000 is 27622703.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30722672009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215525 + ... + 328475.

Almost surely, 2^30722672000 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 30722672000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40439075040).

30722672000 is an abundant number, since it is smaller than the sum of its proper divisors (50155478080).

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

30722672000 is a wasteful number, since it uses less digits than its factorization.

30722672000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112997 (or 112975 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The spelling of 30722672000 in words is "thirty billion, seven hundred twenty-two million, six hundred seventy-two thousand".