30305007 has 24 divisors (see below), whose sum is σ = 45927648. Its totient is φ = 19219200.

The previous prime is 30304997. The next prime is 30305017. The reversal of 30305007 is 70050303.

It is an interprime number because it is at equal distance from previous prime (30304997) and next prime (30305017).

It is not a de Polignac number, because 30305007 - 2⁴ = 30304991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305017) by changing a digit.

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, 57907 + ... + 58427.

It is an arithmetic number, because the mean of its divisors is an integer number (1913652).

Almost surely, 2^30305007 is an apocalyptic number.

30305007 is a deficient number, since it is larger than the sum of its proper divisors (15622641).

30305007 is a wasteful number, since it uses less digits than its factorization.

30305007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 18.

The square root of 30305007 is about 5504.9983651224. The cubic root of 30305007 is about 311.7727326695.

Adding to 30305007 its sum of digits (18), we get a square (30305025 = 5505²).

The spelling of 30305007 in words is "thirty million, three hundred five thousand, seven".