30305676 has 12 divisors (see below), whose sum is σ = 70713272. Its totient is φ = 10101888.

The previous prime is 30305663. The next prime is 30305687. The reversal of 30305676 is 67650303.

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

It is an alternating number because its digits alternate between odd and even.

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, 1262725 + ... + 1262748.

Almost surely, 2^30305676 is an apocalyptic number.

It is an amenable number.

30305676 is an abundant number, since it is smaller than the sum of its proper divisors (40407596).

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

30305676 is a wasteful number, since it uses less digits than its factorization.

30305676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525480 (or 2525478 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 30.

The square root of 30305676 is about 5505.0591277479. The cubic root of 30305676 is about 311.7750268385.

Adding to 30305676 its reverse (67650303), we get a palindrome (97955979).

The spelling of 30305676 in words is "thirty million, three hundred five thousand, six hundred seventy-six".