30473943 has 8 divisors (see below), whose sum is σ = 40924800. Its totient is φ = 20169528.

The previous prime is 30473941. The next prime is 30473951. The reversal of 30473943 is 34937403.

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

It is not a de Polignac number, because 30473943 - 2¹ = 30473941 is a prime.

It is a super-2 number, since 2×30473943² = 1857322403934498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36123 + ... + 36956.

It is an arithmetic number, because the mean of its divisors is an integer number (5115600).

Almost surely, 2^30473943 is an apocalyptic number.

30473943 is a deficient number, since it is larger than the sum of its proper divisors (10450857).

30473943 is a wasteful number, since it uses less digits than its factorization.

30473943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73221.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 30473943 is about 5520.3209145846. The cubic root of 30473943 is about 312.3509877297.

It can be divided in two parts, 304 and 73943, that added together give a palindrome (74247).

The spelling of 30473943 in words is "thirty million, four hundred seventy-three thousand, nine hundred forty-three".