30669066720 has 96 divisors (see below), whose sum is σ = 107341748640. Its totient is φ = 8178416640.

The previous prime is 30669066707. The next prime is 30669066731. The reversal of 30669066720 is 2766096603.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3545341 + ... + 3553980.

It is an arithmetic number, because the mean of its divisors is an integer number (1118143215).

Almost surely, 2^30669066720 is an apocalyptic number.

30669066720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30669066720 is an abundant number, since it is smaller than the sum of its proper divisors (76672681920).

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

30669066720 is a wasteful number, since it uses less digits than its factorization.

30669066720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099345 (or 7099331 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 30669066720 in words is "thirty billion, six hundred sixty-nine million, sixty-six thousand, seven hundred twenty".