71452452 has 12 divisors (see below), whose sum is σ = 166722416. Its totient is φ = 23817480.

The previous prime is 71452441. The next prime is 71452471. The reversal of 71452452 is 25425417.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2977174 + ... + 2977197.

Almost surely, 2^71452452 is an apocalyptic number.

It is an amenable number.

71452452 is an abundant number, since it is smaller than the sum of its proper divisors (95269964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71452452 is a wasteful number, since it uses less digits than its factorization.

71452452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954378 (or 5954376 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 71452452 is about 8452.9552228792. The cubic root of 71452452 is about 414.9595005720.

Adding to 71452452 its reverse (25425417), we get a palindrome (96877869).

The spelling of 71452452 in words is "seventy-one million, four hundred fifty-two thousand, four hundred fifty-two".