71449684 has 12 divisors (see below), whose sum is σ = 130473504. Its totient is φ = 34171544.

The previous prime is 71449673. The next prime is 71449717. The reversal of 71449684 is 48694417.

It is a self number, because there is not a number n which added to its sum of digits gives 71449684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388222 + ... + 388405.

It is an arithmetic number, because the mean of its divisors is an integer number (10872792).

Almost surely, 2^71449684 is an apocalyptic number.

It is an amenable number.

71449684 is a deficient number, since it is larger than the sum of its proper divisors (59023820).

71449684 is a wasteful number, since it uses less digits than its factorization.

71449684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776654 (or 776652 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 71449684 is about 8452.7914915725. The cubic root of 71449684 is about 414.9541421240.

The spelling of 71449684 in words is "seventy-one million, four hundred forty-nine thousand, six hundred eighty-four".