30320694 has 24 divisors (see below), whose sum is σ = 69153240. Its totient is φ = 9574848.

The previous prime is 30320681. The next prime is 30320701. The reversal of 30320694 is 49602303.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43987 + ... + 44670.

It is an arithmetic number, because the mean of its divisors is an integer number (2881385).

Almost surely, 2^30320694 is an apocalyptic number.

30320694 is an abundant number, since it is smaller than the sum of its proper divisors (38832546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30320694 is a wasteful number, since it uses less digits than its factorization.

30320694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88684 (or 88681 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30320694 is about 5506.4229768517. The cubic root of 30320694 is about 311.8265184483.

Adding to 30320694 its reverse (49602303), we get a palindrome (79922997).

The spelling of 30320694 in words is "thirty million, three hundred twenty thousand, six hundred ninety-four".