71296269 has 16 divisors (see below), whose sum is σ = 103913280. Its totient is φ = 43122560.

The previous prime is 71296259. The next prime is 71296271. The reversal of 71296269 is 96269217.

It is a cyclic number.

It is not a de Polignac number, because 71296269 - 2¹¹ = 71294221 is a prime.

It is a super-2 number, since 2×71296269² = 10166315946640722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71296269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71296219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16879 + ... + 20675.

It is an arithmetic number, because the mean of its divisors is an integer number (6494580).

Almost surely, 2^71296269 is an apocalyptic number.

It is an amenable number.

71296269 is a deficient number, since it is larger than the sum of its proper divisors (32617011).

71296269 is a wasteful number, since it uses less digits than its factorization.

71296269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380.

The product of its digits is 81648, while the sum is 42.

The square root of 71296269 is about 8443.7118022822. The cubic root of 71296269 is about 414.6569362034.

The spelling of 71296269 in words is "seventy-one million, two hundred ninety-six thousand, two hundred sixty-nine".