71488687 has 2 divisors, whose sum is σ = 71488688. Its totient is φ = 71488686.

The previous prime is 71488667. The next prime is 71488717. The reversal of 71488687 is 78688417.

It is a weak prime.

It is an emirp because it is prime and its reverse (78688417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71488687 - 2¹⁵ = 71455919 is a prime.

It is a super-2 number, since 2×71488687² = 10221264737967938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71488687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71488607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35744343 + 35744344.

It is an arithmetic number, because the mean of its divisors is an integer number (35744344).

Almost surely, 2^71488687 is an apocalyptic number.

71488687 is a deficient number, since it is larger than the sum of its proper divisors (1).

71488687 is an equidigital number, since it uses as much as digits as its factorization.

71488687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 49.

The square root of 71488687 is about 8455.0982844672. The cubic root of 71488687 is about 415.0296335350.

It can be divided in two parts, 714 and 88687, that added together give a square (89401 = 299²).

The spelling of 71488687 in words is "seventy-one million, four hundred eighty-eight thousand, six hundred eighty-seven".