47445667 has 2 divisors, whose sum is σ = 47445668. Its totient is φ = 47445666.

The previous prime is 47445631. The next prime is 47445689. The reversal of 47445667 is 76654474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47445667 - 2¹⁹ = 46921379 is a prime.

It is not a weakly prime, because it can be changed into another prime (47445367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23722833 + 23722834.

It is an arithmetic number, because the mean of its divisors is an integer number (23722834).

Almost surely, 2^47445667 is an apocalyptic number.

47445667 is a deficient number, since it is larger than the sum of its proper divisors (1).

47445667 is an equidigital number, since it uses as much as digits as its factorization.

47445667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 43.

The square root of 47445667 is about 6888.0815181007. The cubic root of 47445667 is about 362.0196844296.

The spelling of 47445667 in words is "forty-seven million, four hundred forty-five thousand, six hundred sixty-seven".