71313104 has 20 divisors (see below), whose sum is σ = 141540420. Its totient is φ = 34786560.

The previous prime is 71313091. The next prime is 71313107. The reversal of 71313104 is 40131317.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15840400 + 55472704 = 3980^2 + 7448^2 .

It is a super-2 number, since 2×71313104² = 10171117604229632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71313107) 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, 53699 + ... + 55010.

It is an arithmetic number, because the mean of its divisors is an integer number (7077021).

Almost surely, 2^71313104 is an apocalyptic number.

It is an amenable number.

71313104 is a deficient number, since it is larger than the sum of its proper divisors (70227316).

71313104 is a wasteful number, since it uses less digits than its factorization.

71313104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108758 (or 108752 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 71313104 is about 8444.7086391420. The cubic root of 71313104 is about 414.6895709178.

It can be divided in two parts, 71313 and 104, that added together give a palindrome (71417).

The spelling of 71313104 in words is "seventy-one million, three hundred thirteen thousand, one hundred four".