30473732740 has 24 divisors (see below), whose sum is σ = 69812551872. Its totient is φ = 11081357280.

The previous prime is 30473732659. The next prime is 30473732753. The reversal of 30473732740 is 4723737403.

It is a junction number, because it is equal to n+sod(n) for n = 30473732693 and 30473732702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69258264 + ... + 69258703.

It is an arithmetic number, because the mean of its divisors is an integer number (2908856328).

Almost surely, 2^30473732740 is an apocalyptic number.

It is an amenable number.

30473732740 is an abundant number, since it is smaller than the sum of its proper divisors (39338819132).

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

30473732740 is a wasteful number, since it uses less digits than its factorization.

30473732740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138516987 (or 138516985 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 40.

The spelling of 30473732740 in words is "thirty billion, four hundred seventy-three million, seven hundred thirty-two thousand, seven hundred forty".