47330945 has 4 divisors (see below), whose sum is σ = 56797140. Its totient is φ = 37864752.

The previous prime is 47330939. The next prime is 47330951. The reversal of 47330945 is 54903374.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (47330939) and next prime (47330951).

It can be written as a sum of positive squares in 2 ways, for example, as 10837264 + 36493681 = 3292^2 + 6041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47330945 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733090 + ... + 4733099.

It is an arithmetic number, because the mean of its divisors is an integer number (14199285).

Almost surely, 2^47330945 is an apocalyptic number.

It is an amenable number.

47330945 is a deficient number, since it is larger than the sum of its proper divisors (9466195).

47330945 is an equidigital number, since it uses as much as digits as its factorization.

47330945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9466194.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 47330945 is about 6879.7489053017. The cubic root of 47330945 is about 361.7276652006.

The spelling of 47330945 in words is "forty-seven million, three hundred thirty thousand, nine hundred forty-five".