71264339 has 8 divisors (see below), whose sum is σ = 73982160. Its totient is φ = 68563936.

The previous prime is 71264317. The next prime is 71264359. The reversal of 71264339 is 93346217.

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

It is a cyclic number.

It is not a de Polignac number, because 71264339 - 2²⁴ = 54487123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71264299 and 71264308.

It is not an unprimeable number, because it can be changed into a prime (71264359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4304 + ... + 12690.

It is an arithmetic number, because the mean of its divisors is an integer number (9247770).

Almost surely, 2^71264339 is an apocalyptic number.

71264339 is a deficient number, since it is larger than the sum of its proper divisors (2717821).

71264339 is a wasteful number, since it uses less digits than its factorization.

71264339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709.

The product of its digits is 27216, while the sum is 35.

The square root of 71264339 is about 8441.8208343935. The cubic root of 71264339 is about 414.5950256567.

The spelling of 71264339 in words is "seventy-one million, two hundred sixty-four thousand, three hundred thirty-nine".