71146629 has 12 divisors (see below), whose sum is σ = 102840556. Its totient is φ = 47397312.

The previous prime is 71146627. The next prime is 71146631. The reversal of 71146629 is 92664117.

It is an interprime number because it is at equal distance from previous prime (71146627) and next prime (71146631).

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 46376100 = 4977^2 + 6810^2 .

It is not a de Polignac number, because 71146629 - 2¹ = 71146627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71146593 and 71146602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71146627) 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 in 11 ways as a sum of consecutive naturals, for example, 22617 + ... + 25569.

Almost surely, 2^71146629 is an apocalyptic number.

It is an amenable number.

71146629 is a deficient number, since it is larger than the sum of its proper divisors (31693927).

71146629 is a wasteful number, since it uses less digits than its factorization.

71146629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636 (or 5633 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 71146629 is about 8434.8461159644. The cubic root of 71146629 is about 414.3666324416.

The spelling of 71146629 in words is "seventy-one million, one hundred forty-six thousand, six hundred twenty-nine".