30706016 has 48 divisors (see below), whose sum is σ = 66806208. Its totient is φ = 13776000.

The previous prime is 30705977. The next prime is 30706037. The reversal of 30706016 is 61060703.

It is a junction number, because it is equal to n+sod(n) for n = 30705982 and 30706000.

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, 28691 + ... + 29741.

It is an arithmetic number, because the mean of its divisors is an integer number (1391796).

Almost surely, 2^30706016 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 30706016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33403104).

30706016 is an abundant number, since it is smaller than the sum of its proper divisors (36100192).

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

30706016 is a wasteful number, since it uses less digits than its factorization.

30706016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30706016 is about 5541.3009302870. The cubic root of 30706016 is about 313.1418819375.

Adding to 30706016 its reverse (61060703), we get a palindrome (91766719).

The spelling of 30706016 in words is "thirty million, seven hundred six thousand, sixteen".