30605345 has 8 divisors (see below), whose sum is σ = 36973800. Its totient is φ = 24319360.

The previous prime is 30605303. The next prime is 30605357. The reversal of 30605345 is 54350603.

It can be written as a sum of positive squares in 4 ways, for example, as 123904 + 30481441 = 352^2 + 5521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30605345 - 2⁸ = 30605089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19796 + ... + 21285.

It is an arithmetic number, because the mean of its divisors is an integer number (4621725).

Almost surely, 2^30605345 is an apocalyptic number.

It is an amenable number.

30605345 is a deficient number, since it is larger than the sum of its proper divisors (6368455).

30605345 is a wasteful number, since it uses less digits than its factorization.

30605345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41235.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 30605345 is about 5532.2097754875. The cubic root of 30605345 is about 312.7992908684.

Adding to 30605345 its reverse (54350603), we get a palindrome (84955948).

The spelling of 30605345 in words is "thirty million, six hundred five thousand, three hundred forty-five".