71864341 has 4 divisors (see below), whose sum is σ = 72181152. Its totient is φ = 71547532.

The previous prime is 71864311. The next prime is 71864357. The reversal of 71864341 is 14346817.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14346817 = 157 ⋅91381.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71864341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71864297 and 71864306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71864311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158065 + ... + 158518.

It is an arithmetic number, because the mean of its divisors is an integer number (18045288).

Almost surely, 2^71864341 is an apocalyptic number.

It is an amenable number.

71864341 is a deficient number, since it is larger than the sum of its proper divisors (316811).

71864341 is a wasteful number, since it uses less digits than its factorization.

71864341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316810.

The product of its digits is 16128, while the sum is 34.

The square root of 71864341 is about 8477.2838220741. The cubic root of 71864341 is about 415.7553206272.

The spelling of 71864341 in words is "seventy-one million, eight hundred sixty-four thousand, three hundred forty-one".