30768437976 has 32 divisors (see below), whose sum is σ = 77847860160. Its totient is φ = 10132577312.

The previous prime is 30768437969. The next prime is 30768437993. The reversal of 30768437976 is 67973486703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7721010 + ... + 7724993.

It is an arithmetic number, because the mean of its divisors is an integer number (2432745630).

Almost surely, 2^30768437976 is an apocalyptic number.

It is an amenable number.

30768437976 is an abundant number, since it is smaller than the sum of its proper divisors (47079422184).

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

30768437976 is a wasteful number, since it uses less digits than its factorization.

30768437976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15446095 (or 15446091 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 60.

The spelling of 30768437976 in words is "thirty billion, seven hundred sixty-eight million, four hundred thirty-seven thousand, nine hundred seventy-six".