30272345 has 8 divisors (see below), whose sum is σ = 36369864. Its totient is φ = 24189184.

The previous prime is 30272311. The next prime is 30272351. The reversal of 30272345 is 54327203.

It can be written as a sum of positive squares in 4 ways, for example, as 7795264 + 22477081 = 2792^2 + 4741^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30272345 - 2¹⁶ = 30206809 is a prime.

It is a Duffinian number.

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, 1787 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (4546233).

Almost surely, 2^30272345 is an apocalyptic number.

It is an amenable number.

30272345 is a deficient number, since it is larger than the sum of its proper divisors (6097519).

30272345 is an equidigital number, since it uses as much as digits as its factorization.

30272345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 30272345 is about 5502.0309886441. The cubic root of 30272345 is about 311.6606853813.

Adding to 30272345 its reverse (54327203), we get a palindrome (84599548).

The spelling of 30272345 in words is "thirty million, two hundred seventy-two thousand, three hundred forty-five".