30473009 has 8 divisors (see below), whose sum is σ = 34879680. Its totient is φ = 26079696.

The previous prime is 30472961. The next prime is 30473011. The reversal of 30473009 is 90037403.

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

It is a cyclic number.

It is not a de Polignac number, because 30473009 - 2⁸ = 30472753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30473059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162 + ... + 8100.

It is an arithmetic number, because the mean of its divisors is an integer number (4359960).

Almost surely, 2^30473009 is an apocalyptic number.

It is an amenable number.

30473009 is a deficient number, since it is larger than the sum of its proper divisors (4406671).

30473009 is an equidigital number, since it uses as much as digits as its factorization.

30473009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 30473009 is about 5520.2363174053. The cubic root of 30473009 is about 312.3477966012.

The spelling of 30473009 in words is "thirty million, four hundred seventy-three thousand, nine".