30705348 has 12 divisors (see below), whose sum is σ = 71645840. Its totient is φ = 10235112.

The previous prime is 30705347. The next prime is 30705359. The reversal of 30705348 is 84350703.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30705348² = 1885636791602208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30705343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279378 + ... + 1279401.

Almost surely, 2^30705348 is an apocalyptic number.

It is an amenable number.

30705348 is an abundant number, since it is smaller than the sum of its proper divisors (40940492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30705348 is a wasteful number, since it uses less digits than its factorization.

30705348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558786 (or 2558784 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30705348 is about 5541.2406553046. The cubic root of 30705348 is about 313.1396111524.

The spelling of 30705348 in words is "thirty million, seven hundred five thousand, three hundred forty-eight".