71330707 has 4 divisors (see below), whose sum is σ = 81520816. Its totient is φ = 61140600.

The previous prime is 71330683. The next prime is 71330711. The reversal of 71330707 is 70703317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70703317 = 419 ⋅168743.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71330707 is a prime.

It is a super-2 number, since 2×71330707² = 10176139522239698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71330737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095044 + ... + 5095057.

It is an arithmetic number, because the mean of its divisors is an integer number (20380204).

Almost surely, 2^71330707 is an apocalyptic number.

71330707 is a deficient number, since it is larger than the sum of its proper divisors (10190109).

71330707 is a wasteful number, since it uses less digits than its factorization.

71330707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190108.

The product of its (nonzero) digits is 3087, while the sum is 28.

The square root of 71330707 is about 8445.7508251191. The cubic root of 71330707 is about 414.7236889109.

The spelling of 71330707 in words is "seventy-one million, three hundred thirty thousand, seven hundred seven".