71321296 has 20 divisors (see below), whose sum is σ = 138436452. Its totient is φ = 35595776.

The previous prime is 71321293. The next prime is 71321303. The reversal of 71321296 is 69212317.

It can be written as a sum of positive squares in 2 ways, for example, as 57153600 + 14167696 = 7560^2 + 3764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71321293) 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, 5730 + ... + 13246.

Almost surely, 2^71321296 is an apocalyptic number.

It is an amenable number.

71321296 is a deficient number, since it is larger than the sum of its proper divisors (67115156).

71321296 is a wasteful number, since it uses less digits than its factorization.

71321296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118 (or 8112 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 71321296 is about 8445.1936626699. The cubic root of 71321296 is about 414.7054492848.

It can be divided in two parts, 71321 and 296, that added together give a palindrome (71617).

The spelling of 71321296 in words is "seventy-one million, three hundred twenty-one thousand, two hundred ninety-six".