71352472 has 16 divisors (see below), whose sum is σ = 133878240. Its totient is φ = 35651616.

The previous prime is 71352461. The next prime is 71352473. The reversal of 71352472 is 27425317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71352473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16753 + ... + 20575.

It is an arithmetic number, because the mean of its divisors is an integer number (8367390).

Almost surely, 2^71352472 is an apocalyptic number.

It is an amenable number.

71352472 is a deficient number, since it is larger than the sum of its proper divisors (62525768).

71352472 is a wasteful number, since it uses less digits than its factorization.

71352472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162 (or 6158 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 71352472 is about 8447.0392446111. The cubic root of 71352472 is about 414.7658658992.

Adding to 71352472 its reverse (27425317), we get a palindrome (98777789).

It can be divided in two parts, 71352 and 472, that added together give a square (71824 = 268²).

The spelling of 71352472 in words is "seventy-one million, three hundred fifty-two thousand, four hundred seventy-two".