30240668 has 6 divisors (see below), whose sum is σ = 52921176. Its totient is φ = 15120332.

The previous prime is 30240667. The next prime is 30240673. The reversal of 30240668 is 86604203.

It is a self number, because there is not a number n which added to its sum of digits gives 30240668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3780080 + ... + 3780087.

It is an arithmetic number, because the mean of its divisors is an integer number (8820196).

Almost surely, 2^30240668 is an apocalyptic number.

It is an amenable number.

30240668 is a deficient number, since it is larger than the sum of its proper divisors (22680508).

30240668 is a wasteful number, since it uses less digits than its factorization.

30240668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560171 (or 7560169 counting only the distinct ones).

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

The square root of 30240668 is about 5499.1515709244. The cubic root of 30240668 is about 311.5519401326.

The spelling of 30240668 in words is "thirty million, two hundred forty thousand, six hundred sixty-eight".