30725423755 has 16 divisors (see below), whose sum is σ = 40092212160. Its totient is φ = 22469251968.

The previous prime is 30725423741. The next prime is 30725423801. The reversal of 30725423755 is 55732452703.

It is a cyclic number.

It is not a de Polignac number, because 30725423755 - 2¹¹ = 30725421707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2287960 + ... + 2301349.

It is an arithmetic number, because the mean of its divisors is an integer number (2505763260).

Almost surely, 2^30725423755 is an apocalyptic number.

30725423755 is a deficient number, since it is larger than the sum of its proper divisors (9366788405).

30725423755 is a wasteful number, since it uses less digits than its factorization.

30725423755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589430.

The product of its (nonzero) digits is 882000, while the sum is 43.

The spelling of 30725423755 in words is "thirty billion, seven hundred twenty-five million, four hundred twenty-three thousand, seven hundred fifty-five".