71248607 has 2 divisors, whose sum is σ = 71248608. Its totient is φ = 71248606.

The previous prime is 71248601. The next prime is 71248637. The reversal of 71248607 is 70684217.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71248607 - 2⁴ = 71248591 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 (71248601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35624303 + 35624304.

It is an arithmetic number, because the mean of its divisors is an integer number (35624304).

Almost surely, 2^71248607 is an apocalyptic number.

71248607 is a deficient number, since it is larger than the sum of its proper divisors (1).

71248607 is an equidigital number, since it uses as much as digits as its factorization.

71248607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 71248607 is about 8440.8889934651. Note that the first 3 decimals coincide. The cubic root of 71248607 is about 414.5645153573.

The spelling of 71248607 in words is "seventy-one million, two hundred forty-eight thousand, six hundred seven".