71868351 has 16 divisors (see below), whose sum is σ = 101439360. Its totient is φ = 45181920.

The previous prime is 71868347. The next prime is 71868359. The reversal of 71868351 is 15386817.

It is not a de Polignac number, because 71868351 - 2² = 71868347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71868359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5865 + ... + 13346.

It is an arithmetic number, because the mean of its divisors is an integer number (6339960).

Almost surely, 2^71868351 is an apocalyptic number.

71868351 is a deficient number, since it is larger than the sum of its proper divisors (29571009).

71868351 is a wasteful number, since it uses less digits than its factorization.

71868351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19286.

The product of its digits is 40320, while the sum is 39.

The square root of 71868351 is about 8477.5203332106. The cubic root of 71868351 is about 415.7630534741.

The spelling of 71868351 in words is "seventy-one million, eight hundred sixty-eight thousand, three hundred fifty-one".