71667323 has 24 divisors (see below), whose sum is σ = 91792800. Its totient is φ = 54722304.

The previous prime is 71667313. The next prime is 71667331. The reversal of 71667323 is 32376617.

It is a happy number.

It is not a de Polignac number, because 71667323 - 2¹⁶ = 71601787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71667313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33263 + ... + 35351.

It is an arithmetic number, because the mean of its divisors is an integer number (3824700).

Almost surely, 2^71667323 is an apocalyptic number.

71667323 is a deficient number, since it is larger than the sum of its proper divisors (20125477).

71667323 is a wasteful number, since it uses less digits than its factorization.

71667323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2138 counting only the distinct ones).

The product of its digits is 31752, while the sum is 35.

The square root of 71667323 is about 8465.6554973611. The cubic root of 71667323 is about 415.3750381449.

The spelling of 71667323 in words is "seventy-one million, six hundred sixty-seven thousand, three hundred twenty-three".