71813496 has 16 divisors (see below), whose sum is σ = 179533800. Its totient is φ = 23937824.

The previous prime is 71813473. The next prime is 71813503. The reversal of 71813496 is 69431817.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1496091 + ... + 1496138.

Almost surely, 2^71813496 is an apocalyptic number.

It is an amenable number.

71813496 is an abundant number, since it is smaller than the sum of its proper divisors (107720304).

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

71813496 is a wasteful number, since it uses less digits than its factorization.

71813496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992238 (or 2992234 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 71813496 is about 8474.2843945669. The cubic root of 71813496 is about 415.6572466435.

The spelling of 71813496 in words is "seventy-one million, eight hundred thirteen thousand, four hundred ninety-six".