47304643 has 2 divisors, whose sum is σ = 47304644. Its totient is φ = 47304642.

The previous prime is 47304637. The next prime is 47304671. The reversal of 47304643 is 34640374.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47304643 is a prime.

It is not a weakly prime, because it can be changed into another prime (47304683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23652321 + 23652322.

It is an arithmetic number, because the mean of its divisors is an integer number (23652322).

Almost surely, 2^47304643 is an apocalyptic number.

47304643 is a deficient number, since it is larger than the sum of its proper divisors (1).

47304643 is an equidigital number, since it uses as much as digits as its factorization.

47304643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 47304643 is about 6877.8370873408. The cubic root of 47304643 is about 361.6606482702.

The spelling of 47304643 in words is "forty-seven million, three hundred four thousand, six hundred forty-three".