30320696 has 32 divisors (see below), whose sum is σ = 65871840. Its totient is φ = 12814848.

The previous prime is 30320681. The next prime is 30320701. The reversal of 30320696 is 69602303.

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, 380 + ... + 7796.

It is an arithmetic number, because the mean of its divisors is an integer number (2058495).

Almost surely, 2^30320696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30320696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32935920).

30320696 is an abundant number, since it is smaller than the sum of its proper divisors (35551144).

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

30320696 is a wasteful number, since it uses less digits than its factorization.

30320696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503 (or 7499 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 30320696 is about 5506.4231584578. The cubic root of 30320696 is about 311.8265253045.

Adding to 30320696 its reverse (69602303), we get a palindrome (99922999).

The spelling of 30320696 in words is "thirty million, three hundred twenty thousand, six hundred ninety-six".