71046047 has 2 divisors, whose sum is σ = 71046048. Its totient is φ = 71046046.

The previous prime is 71045993. The next prime is 71046061. The reversal of 71046047 is 74064017.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71046047 - 2⁶ = 71045983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71042047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35523023 + 35523024.

It is an arithmetic number, because the mean of its divisors is an integer number (35523024).

Almost surely, 2^71046047 is an apocalyptic number.

71046047 is a deficient number, since it is larger than the sum of its proper divisors (1).

71046047 is an equidigital number, since it uses as much as digits as its factorization.

71046047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 71046047 is about 8428.8817170488. The cubic root of 71046047 is about 414.1712730783.

The spelling of 71046047 in words is "seventy-one million, forty-six thousand, forty-seven".