71352132 has 48 divisors (see below), whose sum is σ = 171908352. Its totient is φ = 23016960.

The previous prime is 71352131. The next prime is 71352139. The reversal of 71352132 is 23125317.

It is a super-2 number, since 2×71352132² = 10182253481890848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71352131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120028 + ... + 120620.

It is an arithmetic number, because the mean of its divisors is an integer number (3581424).

Almost surely, 2^71352132 is an apocalyptic number.

It is an amenable number.

71352132 is an abundant number, since it is smaller than the sum of its proper divisors (100556220).

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

71352132 is a wasteful number, since it uses less digits than its factorization.

71352132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its digits is 1260, while the sum is 24.

The square root of 71352132 is about 8447.0191191923. The cubic root of 71352132 is about 414.7652071011.

Adding to 71352132 its reverse (23125317), we get a palindrome (94477449).

The spelling of 71352132 in words is "seventy-one million, three hundred fifty-two thousand, one hundred thirty-two".