30347668 has 18 divisors (see below), whose sum is σ = 57509214. Its totient is φ = 14006304.

The previous prime is 30347663. The next prime is 30347677. The reversal of 30347668 is 86674303.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 30338064 = 98^2 + 5508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30347663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21771 + ... + 23122.

Almost surely, 2^30347668 is an apocalyptic number.

It is an amenable number.

30347668 is a deficient number, since it is larger than the sum of its proper divisors (27161546).

30347668 is a wasteful number, since it uses less digits than its factorization.

30347668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44923 (or 44908 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 30347668 is about 5508.8717538167. The cubic root of 30347668 is about 311.9189604339.

The spelling of 30347668 in words is "thirty million, three hundred forty-seven thousand, six hundred sixty-eight".