47373839 has 2 divisors, whose sum is σ = 47373840. Its totient is φ = 47373838.

The previous prime is 47373829. The next prime is 47373847. The reversal of 47373839 is 93837374.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47373839 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47373839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47373829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23686919 + 23686920.

It is an arithmetic number, because the mean of its divisors is an integer number (23686920).

Almost surely, 2^47373839 is an apocalyptic number.

47373839 is a deficient number, since it is larger than the sum of its proper divisors (1).

47373839 is an equidigital number, since it uses as much as digits as its factorization.

47373839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 47373839 is about 6882.8656096135. The cubic root of 47373839 is about 361.8369049498.

The spelling of 47373839 in words is "forty-seven million, three hundred seventy-three thousand, eight hundred thirty-nine".