30340645 has 8 divisors (see below), whose sum is σ = 37096056. Its totient is φ = 23814336.

The previous prime is 30340637. The next prime is 30340741. The reversal of 30340645 is 54604303.

It can be written as a sum of positive squares in 4 ways, for example, as 1760929 + 28579716 = 1327^2 + 5346^2 .

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 30340645 - 2³ = 30340637 is a prime.

It is a Duffinian number.

It is a congruent 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, 56982 + ... + 57511.

It is an arithmetic number, because the mean of its divisors is an integer number (4637007).

Almost surely, 2^30340645 is an apocalyptic number.

It is an amenable number.

30340645 is a deficient number, since it is larger than the sum of its proper divisors (6755411).

30340645 is a wasteful number, since it uses less digits than its factorization.

30340645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114551.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 30340645 is about 5508.2342905871. The cubic root of 30340645 is about 311.8948973454.

Adding to 30340645 its reverse (54604303), we get a palindrome (84944948).

The spelling of 30340645 in words is "thirty million, three hundred forty thousand, six hundred forty-five".