71968371 has 16 divisors (see below), whose sum is σ = 101318400. Its totient is φ = 45314208.

The previous prime is 71968363. The next prime is 71968399. The reversal of 71968371 is 17386917.

It is not a de Polignac number, because 71968371 - 2³ = 71968363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71968301) 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, 18705 + ... + 22221.

It is an arithmetic number, because the mean of its divisors is an integer number (6332400).

Almost surely, 2^71968371 is an apocalyptic number.

71968371 is a deficient number, since it is larger than the sum of its proper divisors (29350029).

71968371 is a wasteful number, since it uses less digits than its factorization.

71968371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898.

The product of its digits is 63504, while the sum is 42.

The square root of 71968371 is about 8483.4174128119. The cubic root of 71968371 is about 415.9558381220.

The spelling of 71968371 in words is "seventy-one million, nine hundred sixty-eight thousand, three hundred seventy-one".