30725395 has 16 divisors (see below), whose sum is σ = 37810080. Its totient is φ = 23961600.

The previous prime is 30725393. The next prime is 30725411. The reversal of 30725395 is 59352703.

It is not a de Polignac number, because 30725395 - 2¹ = 30725393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30725395.

It is not an unprimeable number, because it can be changed into a prime (30725393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39571 + ... + 40339.

It is an arithmetic number, because the mean of its divisors is an integer number (2363130).

Almost surely, 2^30725395 is an apocalyptic number.

30725395 is a deficient number, since it is larger than the sum of its proper divisors (7084685).

30725395 is a wasteful number, since it uses less digits than its factorization.

30725395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 30725395 is about 5543.0492510892. The cubic root of 30725395 is about 313.2077441708.

The spelling of 30725395 in words is "thirty million, seven hundred twenty-five thousand, three hundred ninety-five".