30045744 has 60 divisors (see below), whose sum is σ = 84755736. Its totient is φ = 9935616.

The previous prime is 30045721. The next prime is 30045779. The reversal of 30045744 is 44754003.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18967 + ... + 20489.

Almost surely, 2^30045744 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 30045744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42377868).

30045744 is an abundant number, since it is smaller than the sum of its proper divisors (54709992).

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

30045744 is a wasteful number, since it uses less digits than its factorization.

30045744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 30045744 is about 5481.3998212136. The cubic root of 30045744 is about 310.8811006635.

Adding to 30045744 its reverse (44754003), we get a palindrome (74799747).

The spelling of 30045744 in words is "thirty million, forty-five thousand, seven hundred forty-four".