71532368 has 10 divisors (see below), whose sum is σ = 138593994. Its totient is φ = 35766176.

The previous prime is 71532361. The next prime is 71532401. The reversal of 71532368 is 86323517.

It can be written as a sum of positive squares in only one way, i.e., 70425664 + 1106704 = 8392^2 + 1052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71532361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235371 + ... + 2235402.

Almost surely, 2^71532368 is an apocalyptic number.

It is an amenable number.

71532368 is a deficient number, since it is larger than the sum of its proper divisors (67061626).

71532368 is a wasteful number, since it uses less digits than its factorization.

71532368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470781 (or 4470775 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 71532368 is about 8457.6810060442. The cubic root of 71532368 is about 415.1141467592.

The spelling of 71532368 in words is "seventy-one million, five hundred thirty-two thousand, three hundred sixty-eight".