30072686500 has 48 divisors (see below), whose sum is σ = 65940690816. Its totient is φ = 11981100000.

The previous prime is 30072686477. The next prime is 30072686531. The reversal of 30072686500 is 568627003.

It is a self number, because there is not a number n which added to its sum of digits gives 30072686500.

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, 5689 + ... + 245311.

It is an arithmetic number, because the mean of its divisors is an integer number (1373764392).

Almost surely, 2^30072686500 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 30072686500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32970345408).

30072686500 is an abundant number, since it is smaller than the sum of its proper divisors (35868004316).

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

30072686500 is a wasteful number, since it uses less digits than its factorization.

30072686500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239893 (or 239881 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 30072686500 in words is "thirty billion, seventy-two million, six hundred eighty-six thousand, five hundred".