71527472 has 10 divisors (see below), whose sum is σ = 138584508. Its totient is φ = 35763728.

The previous prime is 71527451. The next prime is 71527487. The reversal of 71527472 is 27472517.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235218 + ... + 2235249.

Almost surely, 2^71527472 is an apocalyptic number.

It is an amenable number.

71527472 is a deficient number, since it is larger than the sum of its proper divisors (67057036).

71527472 is a wasteful number, since it uses less digits than its factorization.

71527472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470475 (or 4470469 counting only the distinct ones).

The product of its digits is 27440, while the sum is 35.

The square root of 71527472 is about 8457.3915600497. The cubic root of 71527472 is about 415.1046757775.

Adding to 71527472 its reverse (27472517), we get a palindrome (98999989).

The spelling of 71527472 in words is "seventy-one million, five hundred twenty-seven thousand, four hundred seventy-two".