30007705 has 16 divisors (see below), whose sum is σ = 44319744. Its totient is φ = 18993600.

The previous prime is 30007697. The next prime is 30007717. The reversal of 30007705 is 50770003.

It is not a de Polignac number, because 30007705 - 2³ = 30007697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32521 + ... + 33430.

It is an arithmetic number, because the mean of its divisors is an integer number (2769984).

Almost surely, 2^30007705 is an apocalyptic number.

30007705 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30007705 is a deficient number, since it is larger than the sum of its proper divisors (14312039).

30007705 is a wasteful number, since it uses less digits than its factorization.

30007705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65976.

The product of its (nonzero) digits is 735, while the sum is 22.

The square root of 30007705 is about 5477.9288969464. The cubic root of 30007705 is about 310.7498496811.

Adding to 30007705 its reverse (50770003), we get a palindrome (80777708).

The spelling of 30007705 in words is "thirty million, seven thousand, seven hundred five".