47629943 has 2 divisors, whose sum is σ = 47629944. Its totient is φ = 47629942.

The previous prime is 47629927. The next prime is 47629949. The reversal of 47629943 is 34992674.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47629943 - 2⁴ = 47629927 is a prime.

It is a super-2 number, since 2×47629943² = 4537222940366498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47629894 and 47629903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47629949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23814971 + 23814972.

It is an arithmetic number, because the mean of its divisors is an integer number (23814972).

Almost surely, 2^47629943 is an apocalyptic number.

47629943 is a deficient number, since it is larger than the sum of its proper divisors (1).

47629943 is an equidigital number, since it uses as much as digits as its factorization.

47629943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 47629943 is about 6901.4449936227. Note that the first 3 decimals coincide. The cubic root of 47629943 is about 362.4877662142.

The spelling of 47629943 in words is "forty-seven million, six hundred twenty-nine thousand, nine hundred forty-three".