30765075725 has 12 divisors (see below), whose sum is σ = 38185442880. Its totient is φ = 24588351600.

The previous prime is 30765075697. The next prime is 30765075739. The reversal of 30765075725 is 52757056703.

It is not a de Polignac number, because 30765075725 - 2⁸ = 30765075469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30765075725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566231 + ... + 618180.

It is an arithmetic number, because the mean of its divisors is an integer number (3182120240).

Almost surely, 2^30765075725 is an apocalyptic number.

It is an amenable number.

30765075725 is a deficient number, since it is larger than the sum of its proper divisors (7420367155).

30765075725 is a wasteful number, since it uses less digits than its factorization.

30765075725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185460 (or 1185455 counting only the distinct ones).

The product of its (nonzero) digits is 1543500, while the sum is 47.

The spelling of 30765075725 in words is "thirty billion, seven hundred sixty-five million, seventy-five thousand, seven hundred twenty-five".