30042668 has 24 divisors (see below), whose sum is σ = 55323744. Its totient is φ = 14256000.

The previous prime is 30042643. The next prime is 30042671. The reversal of 30042668 is 86624003.

It is a self number, because there is not a number n which added to its sum of digits gives 30042668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (2305156).

Almost surely, 2^30042668 is an apocalyptic number.

It is an amenable number.

30042668 is a deficient number, since it is larger than the sum of its proper divisors (25281076).

30042668 is a wasteful number, since it uses less digits than its factorization.

30042668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5031 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30042668 is about 5481.1192287707. The cubic root of 30042668 is about 310.8704912529.

The spelling of 30042668 in words is "thirty million, forty-two thousand, six hundred sixty-eight".