71332913 has 8 divisors (see below), whose sum is σ = 74520000. Its totient is φ = 68153008.

The previous prime is 71332903. The next prime is 71332931. The reversal of 71332913 is 31923317.

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 71332913 - 2¹⁴ = 71316529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71332903) 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, 33443 + ... + 35511.

It is an arithmetic number, because the mean of its divisors is an integer number (9315000).

Almost surely, 2^71332913 is an apocalyptic number.

It is an amenable number.

71332913 is a deficient number, since it is larger than the sum of its proper divisors (3187087).

71332913 is a wasteful number, since it uses less digits than its factorization.

71332913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591.

The product of its digits is 3402, while the sum is 29.

The square root of 71332913 is about 8445.8814223265. The cubic root of 71332913 is about 414.7279641666.

The spelling of 71332913 in words is "seventy-one million, three hundred thirty-two thousand, nine hundred thirteen".