71452916 has 12 divisors (see below), whose sum is σ = 126332388. Its totient is φ = 35357952.

The previous prime is 71452907. The next prime is 71452937. The reversal of 71452916 is 61925417.

It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 33062500 = 6196^2 + 5750^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91691 + ... + 92466.

It is an arithmetic number, because the mean of its divisors is an integer number (10527699).

Almost surely, 2^71452916 is an apocalyptic number.

It is an amenable number.

71452916 is a deficient number, since it is larger than the sum of its proper divisors (54879472).

71452916 is a wasteful number, since it uses less digits than its factorization.

71452916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184258 (or 184256 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 71452916 is about 8452.9826688572. The cubic root of 71452916 is about 414.9603987953.

The spelling of 71452916 in words is "seventy-one million, four hundred fifty-two thousand, nine hundred sixteen".