30725122630 has 16 divisors (see below), whose sum is σ = 55342440000. Its totient is φ = 12281778112.

The previous prime is 30725122591. The next prime is 30725122693. The reversal of 30725122630 is 3622152703.

It is a junction number, because it is equal to n+sod(n) for n = 30725122592 and 30725122601.

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, 1018255 + ... + 1047994.

It is an arithmetic number, because the mean of its divisors is an integer number (3458902500).

Almost surely, 2^30725122630 is an apocalyptic number.

30725122630 is a deficient number, since it is larger than the sum of its proper divisors (24617317370).

30725122630 is a wasteful number, since it uses less digits than its factorization.

30725122630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067743.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 30725122630 in words is "thirty billion, seven hundred twenty-five million, one hundred twenty-two thousand, six hundred thirty".