71246269 has 4 divisors (see below), whose sum is σ = 75437244. Its totient is φ = 67055296.

The previous prime is 71246267. The next prime is 71246291. The reversal of 71246269 is 96264217.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24870169 + 46376100 = 4987^2 + 6810^2 .

It is a cyclic number.

It is not a de Polignac number, because 71246269 - 2¹ = 71246267 is a prime.

It is a super-2 number, since 2×71246269² = 10152061692840722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71246261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095462 + ... + 2095495.

It is an arithmetic number, because the mean of its divisors is an integer number (18859311).

Almost surely, 2^71246269 is an apocalyptic number.

It is an amenable number.

71246269 is a deficient number, since it is larger than the sum of its proper divisors (4190975).

71246269 is a wasteful number, since it uses less digits than its factorization.

71246269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190974.

The product of its digits is 36288, while the sum is 37.

The square root of 71246269 is about 8440.7504998075. The cubic root of 71246269 is about 414.5599807075.

The spelling of 71246269 in words is "seventy-one million, two hundred forty-six thousand, two hundred sixty-nine".