30529689 has 12 divisors (see below), whose sum is σ = 41341104. Its totient is φ = 20040504.

The previous prime is 30529679. The next prime is 30529691. The reversal of 30529689 is 98692503.

It is not a de Polignac number, because 30529689 - 2¹³ = 30521497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30529689.

It is not an unprimeable number, because it can be changed into a prime (30529619) 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 11 ways as a sum of consecutive naturals, for example, 12334 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (3445092).

Almost surely, 2^30529689 is an apocalyptic number.

It is an amenable number.

30529689 is a deficient number, since it is larger than the sum of its proper divisors (10811415).

30529689 is an equidigital number, since it uses as much as digits as its factorization.

30529689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 30529689 is about 5525.3677705651. The cubic root of 30529689 is about 312.5413329862.

The spelling of 30529689 in words is "thirty million, five hundred twenty-nine thousand, six hundred eighty-nine".