71248267 has 2 divisors, whose sum is σ = 71248268. Its totient is φ = 71248266.

The previous prime is 71248259. The next prime is 71248337. The reversal of 71248267 is 76284217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71248267 - 2³ = 71248259 is a prime.

It is not a weakly prime, because it can be changed into another prime (71248237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35624133 + 35624134.

It is an arithmetic number, because the mean of its divisors is an integer number (35624134).

Almost surely, 2^71248267 is an apocalyptic number.

71248267 is a deficient number, since it is larger than the sum of its proper divisors (1).

71248267 is an equidigital number, since it uses as much as digits as its factorization.

71248267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 37.

The square root of 71248267 is about 8440.8688533823. The cubic root of 71248267 is about 414.5638559191.

The spelling of 71248267 in words is "seventy-one million, two hundred forty-eight thousand, two hundred sixty-seven".