30745344 has 216 divisors, whose sum is σ = 102527040. Its totient is φ = 8128512.

The previous prime is 30745331. The next prime is 30745361. The reversal of 30745344 is 44354703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714987 + ... + 715029.

Almost surely, 2^30745344 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 30745344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51263520).

30745344 is an abundant number, since it is smaller than the sum of its proper divisors (71781696).

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

30745344 is a wasteful number, since it uses less digits than its factorization.

30745344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 30745344 is about 5544.8484199300. The cubic root of 30745344 is about 313.2755147075.

The spelling of 30745344 in words is "thirty million, seven hundred forty-five thousand, three hundred forty-four".