30080745 has 24 divisors (see below), whose sum is σ = 52859976. Its totient is φ = 15821568.

The previous prime is 30080731. The next prime is 30080759. The reversal of 30080745 is 54708003.

It is an interprime number because it is at equal distance from previous prime (30080731) and next prime (30080759).

It can be written as a sum of positive squares in 4 ways, for example, as 660969 + 29419776 = 813^2 + 5424^2 .

It is not a de Polignac number, because 30080745 - 2⁸ = 30080489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1294 + ... + 7863.

It is an arithmetic number, because the mean of its divisors is an integer number (2202499).

Almost surely, 2^30080745 is an apocalyptic number.

It is an amenable number.

30080745 is a deficient number, since it is larger than the sum of its proper divisors (22779231).

30080745 is a wasteful number, since it uses less digits than its factorization.

30080745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9241 (or 9238 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 30080745 is about 5484.5915982870. The cubic root of 30080745 is about 311.0017714080.

Adding to 30080745 its reverse (54708003), we get a palindrome (84788748).

The spelling of 30080745 in words is "thirty million, eighty thousand, seven hundred forty-five".