47373643 has 2 divisors, whose sum is σ = 47373644. Its totient is φ = 47373642.

The previous prime is 47373619. The next prime is 47373649. The reversal of 47373643 is 34637374.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47373643 is a prime.

It is not a weakly prime, because it can be changed into another prime (47373649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23686821 + 23686822.

It is an arithmetic number, because the mean of its divisors is an integer number (23686822).

Almost surely, 2^47373643 is an apocalyptic number.

47373643 is a deficient number, since it is larger than the sum of its proper divisors (1).

47373643 is an equidigital number, since it uses as much as digits as its factorization.

47373643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 37.

The square root of 47373643 is about 6882.8513713431. The cubic root of 47373643 is about 361.8364059393.

The spelling of 47373643 in words is "forty-seven million, three hundred seventy-three thousand, six hundred forty-three".