30723671616 has 56 divisors (see below), whose sum is σ = 88679694624. Its totient is φ = 9310202880.

The previous prime is 30723671591. The next prime is 30723671633. The reversal of 30723671616 is 61617632703.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 7271485 + ... + 7275708.

Almost surely, 2^30723671616 is an apocalyptic number.

It is an amenable number.

30723671616 is an abundant number, since it is smaller than the sum of its proper divisors (57956023008).

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

30723671616 is a wasteful number, since it uses less digits than its factorization.

30723671616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547219 (or 14547209 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 30723671616 in words is "thirty billion, seven hundred twenty-three million, six hundred seventy-one thousand, six hundred sixteen".