71043452 has 12 divisors (see below), whose sum is σ = 126077616. Its totient is φ = 35021280.

The previous prime is 71043443. The next prime is 71043473. The reversal of 71043452 is 25434017.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

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, 124793 + ... + 125360.

It is an arithmetic number, because the mean of its divisors is an integer number (10506468).

Almost surely, 2^71043452 is an apocalyptic number.

It is an amenable number.

71043452 is a deficient number, since it is larger than the sum of its proper divisors (55034164).

71043452 is a wasteful number, since it uses less digits than its factorization.

71043452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250228 (or 250226 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 71043452 is about 8428.7277806321. The cubic root of 71043452 is about 414.1662303978.

Adding to 71043452 its reverse (25434017), we get a palindrome (96477469).

The spelling of 71043452 in words is "seventy-one million, forty-three thousand, four hundred fifty-two".