30302972973 has 48 divisors (see below), whose sum is σ = 53928516096. Its totient is φ = 15967203840.

The previous prime is 30302972927. The next prime is 30302972981. The reversal of 30302972973 is 37927920303.

It is not a de Polignac number, because 30302972973 - 2⁸ = 30302972717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302972983) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 781228 + ... + 819098.

It is an arithmetic number, because the mean of its divisors is an integer number (1123510752).

Almost surely, 2^30302972973 is an apocalyptic number.

It is an amenable number.

30302972973 is a deficient number, since it is larger than the sum of its proper divisors (23625543123).

30302972973 is a wasteful number, since it uses less digits than its factorization.

30302972973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38874 (or 38871 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 45.

The spelling of 30302972973 in words is "thirty billion, three hundred two million, nine hundred seventy-two thousand, nine hundred seventy-three".