30326645 has 4 divisors (see below), whose sum is σ = 36391980. Its totient is φ = 24261312.

The previous prime is 30326633. The next prime is 30326651. The reversal of 30326645 is 54662303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54662303 = 29 ⋅1884907.

It can be written as a sum of positive squares in 2 ways, for example, as 11464996 + 18861649 = 3386^2 + 4343^2 .

It is a cyclic number.

It is not a de Polignac number, because 30326645 - 2⁴ = 30326629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032660 + ... + 3032669.

It is an arithmetic number, because the mean of its divisors is an integer number (9097995).

Almost surely, 2^30326645 is an apocalyptic number.

It is an amenable number.

30326645 is a deficient number, since it is larger than the sum of its proper divisors (6065335).

30326645 is an equidigital number, since it uses as much as digits as its factorization.

30326645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065334.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 30326645 is about 5506.9633192895. The cubic root of 30326645 is about 311.8469176980.

Adding to 30326645 its reverse (54662303), we get a palindrome (84988948).

The spelling of 30326645 in words is "thirty million, three hundred twenty-six thousand, six hundred forty-five".