47194747 has 2 divisors, whose sum is σ = 47194748. Its totient is φ = 47194746.

The previous prime is 47194723. The next prime is 47194753. The reversal of 47194747 is 74749174.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47194747 - 2⁷ = 47194619 is a prime.

It is not a weakly prime, because it can be changed into another prime (47194717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23597373 + 23597374.

It is an arithmetic number, because the mean of its divisors is an integer number (23597374).

Almost surely, 2^47194747 is an apocalyptic number.

47194747 is a deficient number, since it is larger than the sum of its proper divisors (1).

47194747 is an equidigital number, since it uses as much as digits as its factorization.

47194747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 43.

The square root of 47194747 is about 6869.8433024342. The cubic root of 47194747 is about 361.3803665766.

The spelling of 47194747 in words is "forty-seven million, one hundred ninety-four thousand, seven hundred forty-seven".