30045738 has 8 divisors (see below), whose sum is σ = 60091488. Its totient is φ = 10015244.

The previous prime is 30045721. The next prime is 30045779. The reversal of 30045738 is 83754003.

It is a sphenic number, since it is the product of 3 distinct primes.

30045738 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 2503806 + ... + 2503817.

It is an arithmetic number, because the mean of its divisors is an integer number (7511436).

Almost surely, 2^30045738 is an apocalyptic number.

30045738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30045738 is a wasteful number, since it uses less digits than its factorization.

30045738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007628.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30045738 is about 5481.3992739081. The cubic root of 30045738 is about 310.8810799696.

The spelling of 30045738 in words is "thirty million, forty-five thousand, seven hundred thirty-eight".