71269239 has 8 divisors (see below), whose sum is σ = 95452672. Its totient is φ = 47299320.

The previous prime is 71269229. The next prime is 71269241. The reversal of 71269239 is 93296217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71269239 - 2⁴ = 71269223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71269197 and 71269206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71269229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52597 + ... + 53934.

It is an arithmetic number, because the mean of its divisors is an integer number (11931584).

Almost surely, 2^71269239 is an apocalyptic number.

71269239 is a deficient number, since it is larger than the sum of its proper divisors (24183433).

71269239 is a wasteful number, since it uses less digits than its factorization.

71269239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106757.

The product of its digits is 40824, while the sum is 39.

The square root of 71269239 is about 8442.1110511530. Note that the first 3 decimals coincide. The cubic root of 71269239 is about 414.6045276933.

The spelling of 71269239 in words is "seventy-one million, two hundred sixty-nine thousand, two hundred thirty-nine".