30768494 has 8 divisors (see below), whose sum is σ = 46505448. Its totient is φ = 15266680.

The previous prime is 30768481. The next prime is 30768499. The reversal of 30768494 is 49486703.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30768499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58457 + ... + 58980.

It is an arithmetic number, because the mean of its divisors is an integer number (5813181).

Almost surely, 2^30768494 is an apocalyptic number.

30768494 is a deficient number, since it is larger than the sum of its proper divisors (15736954).

30768494 is a wasteful number, since it uses less digits than its factorization.

30768494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117570.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 30768494 is about 5546.9355503737. The cubic root of 30768494 is about 313.3541229101.

The spelling of 30768494 in words is "thirty million, seven hundred sixty-eight thousand, four hundred ninety-four".