30748873628 has 24 divisors (see below), whose sum is σ = 58914340464. Its totient is φ = 13926297600.

The previous prime is 30748873613. The next prime is 30748873663. The reversal of 30748873628 is 82637884703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249253 + ... + 1273628.

It is an arithmetic number, because the mean of its divisors is an integer number (2454764186).

Almost surely, 2^30748873628 is an apocalyptic number.

It is an amenable number.

30748873628 is a deficient number, since it is larger than the sum of its proper divisors (28165466836).

30748873628 is a wasteful number, since it uses less digits than its factorization.

30748873628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523173 (or 2523171 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 30748873628 in words is "thirty billion, seven hundred forty-eight million, eight hundred seventy-three thousand, six hundred twenty-eight".