30724642372 has 12 divisors (see below), whose sum is σ = 53774156800. Its totient is φ = 15360597576.

The previous prime is 30724642367. The next prime is 30724642387. The reversal of 30724642372 is 27324642703.

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 3 ways as a sum of consecutive naturals, for example, 390372 + ... + 462427.

Almost surely, 2^30724642372 is an apocalyptic number.

It is an amenable number.

30724642372 is a deficient number, since it is larger than the sum of its proper divisors (23049514428).

30724642372 is a wasteful number, since it uses less digits than its factorization.

30724642372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861810 (or 861808 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 40.

The spelling of 30724642372 in words is "thirty billion, seven hundred twenty-four million, six hundred forty-two thousand, three hundred seventy-two".