71642323 has 8 divisors (see below), whose sum is σ = 73709360. Its totient is φ = 69582240.

The previous prime is 71642303. The next prime is 71642327. The reversal of 71642323 is 32324617.

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 71642323 - 2⁹ = 71641811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71642291 and 71642300.

It is not an unprimeable number, because it can be changed into a prime (71642327) 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, 24868 + ... + 27598.

It is an arithmetic number, because the mean of its divisors is an integer number (9213670).

Almost surely, 2^71642323 is an apocalyptic number.

71642323 is a deficient number, since it is larger than the sum of its proper divisors (2067037).

71642323 is a wasteful number, since it uses less digits than its factorization.

71642323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477.

The product of its digits is 6048, while the sum is 28.

The square root of 71642323 is about 8464.1788142737. The cubic root of 71642323 is about 415.3267335470.

The spelling of 71642323 in words is "seventy-one million, six hundred forty-two thousand, three hundred twenty-three".