71522343 has 6 divisors (see below), whose sum is σ = 103310064. Its totient is φ = 47681556.

The previous prime is 71522303. The next prime is 71522351. The reversal of 71522343 is 34322517.

It is not a de Polignac number, because 71522343 - 2⁶ = 71522279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71522303) 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 5 ways as a sum of consecutive naturals, for example, 3973455 + ... + 3973472.

It is an arithmetic number, because the mean of its divisors is an integer number (17218344).

Almost surely, 2^71522343 is an apocalyptic number.

71522343 is a deficient number, since it is larger than the sum of its proper divisors (31787721).

71522343 is a wasteful number, since it uses less digits than its factorization.

71522343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946933 (or 7946930 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 71522343 is about 8457.0883287335. The cubic root of 71522343 is about 415.0947536096.

The spelling of 71522343 in words is "seventy-one million, five hundred twenty-two thousand, three hundred forty-three".