47430893 has 2 divisors, whose sum is σ = 47430894. Its totient is φ = 47430892.

The previous prime is 47430871. The next prime is 47430937. The reversal of 47430893 is 39803474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38775529 + 8655364 = 6227^2 + 2942^2 .

It is a cyclic number.

It is not a de Polignac number, because 47430893 - 2⁶ = 47430829 is a prime.

It is a super-2 number, since 2×47430893² = 4499379221554898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47130893) 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 as a sum of consecutive naturals, namely, 23715446 + 23715447.

It is an arithmetic number, because the mean of its divisors is an integer number (23715447).

Almost surely, 2^47430893 is an apocalyptic number.

It is an amenable number.

47430893 is a deficient number, since it is larger than the sum of its proper divisors (1).

47430893 is an equidigital number, since it uses as much as digits as its factorization.

47430893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 47430893 is about 6887.0090024625. The cubic root of 47430893 is about 361.9821043624.

The spelling of 47430893 in words is "forty-seven million, four hundred thirty thousand, eight hundred ninety-three".