30725173713 has 16 divisors (see below), whose sum is σ = 44121546560. Its totient is φ = 18906364224.

The previous prime is 30725173709. The next prime is 30725173777. The reversal of 30725173713 is 31737152703.

It is not a de Polignac number, because 30725173713 - 2² = 30725173709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (30725173613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744423 + ... + 784611.

It is an arithmetic number, because the mean of its divisors is an integer number (2757596660).

Almost surely, 2^30725173713 is an apocalyptic number.

It is an amenable number.

30725173713 is a deficient number, since it is larger than the sum of its proper divisors (13396372847).

30725173713 is a wasteful number, since it uses less digits than its factorization.

30725173713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59808.

The product of its (nonzero) digits is 92610, while the sum is 39.

The spelling of 30725173713 in words is "thirty billion, seven hundred twenty-five million, one hundred seventy-three thousand, seven hundred thirteen".