71345452 has 12 divisors (see below), whose sum is σ = 129160080. Its totient is φ = 34442576.

The previous prime is 71345441. The next prime is 71345459. The reversal of 71345452 is 25454317.

It is not an unprimeable number, because it can be changed into a prime (71345459) 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, 307408 + ... + 307639.

It is an arithmetic number, because the mean of its divisors is an integer number (10763340).

Almost surely, 2^71345452 is an apocalyptic number.

It is an amenable number.

71345452 is a deficient number, since it is larger than the sum of its proper divisors (57814628).

71345452 is a wasteful number, since it uses less digits than its factorization.

71345452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615080 (or 615078 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 71345452 is about 8446.6237041791. The cubic root of 71345452 is about 414.7522632316.

Adding to 71345452 its reverse (25454317), we get a palindrome (96799769).

The spelling of 71345452 in words is "seventy-one million, three hundred forty-five thousand, four hundred fifty-two".