71467631 has 2 divisors, whose sum is σ = 71467632. Its totient is φ = 71467630.

The previous prime is 71467597. The next prime is 71467637. The reversal of 71467631 is 13676417.

It is a strong prime.

It is an emirp because it is prime and its reverse (13676417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71467631 - 2⁶ = 71467567 is a prime.

It is a super-2 number, since 2×71467631² = 10215244561504322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71467591 and 71467600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71467637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35733815 + 35733816.

It is an arithmetic number, because the mean of its divisors is an integer number (35733816).

Almost surely, 2^71467631 is an apocalyptic number.

71467631 is a deficient number, since it is larger than the sum of its proper divisors (1).

71467631 is an equidigital number, since it uses as much as digits as its factorization.

71467631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 71467631 is about 8453.8530268748. The cubic root of 71467631 is about 414.9888824621.

The spelling of 71467631 in words is "seventy-one million, four hundred sixty-seven thousand, six hundred thirty-one".