30745043 has 16 divisors (see below), whose sum is σ = 37526016. Its totient is φ = 24615360.

The previous prime is 30745031. The next prime is 30745063. The reversal of 30745043 is 34054703.

It is not a de Polignac number, because 30745043 - 2⁶ = 30744979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30745063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4703 + ... + 9143.

It is an arithmetic number, because the mean of its divisors is an integer number (2345376).

Almost surely, 2^30745043 is an apocalyptic number.

30745043 is a deficient number, since it is larger than the sum of its proper divisors (6780973).

30745043 is a wasteful number, since it uses less digits than its factorization.

30745043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 30745043 is about 5544.8212775526. The cubic root of 30745043 is about 313.2744923713.

Adding to 30745043 its reverse (34054703), we get a palindrome (64799746).

The spelling of 30745043 in words is "thirty million, seven hundred forty-five thousand, forty-three".