71382648 has 32 divisors (see below), whose sum is σ = 178894800. Its totient is φ = 23735808.

The previous prime is 71382637. The next prime is 71382653. The reversal of 71382648 is 84628317.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6958 + ... + 13826.

Almost surely, 2^71382648 is an apocalyptic number.

It is an amenable number.

71382648 is an abundant number, since it is smaller than the sum of its proper divisors (107512152).

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

71382648 is a wasteful number, since it uses less digits than its factorization.

71382648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311 (or 7307 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 71382648 is about 8448.8252437839. The cubic root of 71382648 is about 414.8243278344.

The spelling of 71382648 in words is "seventy-one million, three hundred eighty-two thousand, six hundred forty-eight".