30680294 has 8 divisors (see below), whose sum is σ = 46651080. Its totient is φ = 15129936.

The previous prime is 30680281. The next prime is 30680303. The reversal of 30680294 is 49208603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30680294.

It is a congruent number.

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, 104924 + ... + 105215.

It is an arithmetic number, because the mean of its divisors is an integer number (5831385).

Almost surely, 2^30680294 is an apocalyptic number.

30680294 is a deficient number, since it is larger than the sum of its proper divisors (15970786).

30680294 is a wasteful number, since it uses less digits than its factorization.

30680294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210214.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30680294 is about 5538.9795088987. The cubic root of 30680294 is about 313.0544193198.

Adding to 30680294 its reverse (49208603), we get a palindrome (79888897).

The spelling of 30680294 in words is "thirty million, six hundred eighty thousand, two hundred ninety-four".