71233452 has 24 divisors (see below), whose sum is σ = 184679600. Its totient is φ = 23744448.

The previous prime is 71233447. The next prime is 71233471. The reversal of 71233452 is 25433217.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329677 + ... + 329892.

Almost surely, 2^71233452 is an apocalyptic number.

It is an amenable number.

71233452 is an abundant number, since it is smaller than the sum of its proper divisors (113446148).

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

71233452 is a wasteful number, since it uses less digits than its factorization.

71233452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659582 (or 659574 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 71233452 is about 8439.9912322229. The cubic root of 71233452 is about 414.5351198318.

Adding to 71233452 its reverse (25433217), we get a palindrome (96666669).

The spelling of 71233452 in words is "seventy-one million, two hundred thirty-three thousand, four hundred fifty-two".