71728348 has 24 divisors (see below), whose sum is σ = 129516464. Its totient is φ = 34732800.

The previous prime is 71728333. The next prime is 71728357. The reversal of 71728348 is 84382717.

It is a self number, because there is not a number n which added to its sum of digits gives 71728348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34663 + ... + 36673.

Almost surely, 2^71728348 is an apocalyptic number.

It is an amenable number.

71728348 is a deficient number, since it is larger than the sum of its proper divisors (57788116).

71728348 is a wasteful number, since it uses less digits than its factorization.

71728348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293 (or 2291 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 71728348 is about 8469.2589994639. The cubic root of 71728348 is about 415.4929025091.

The spelling of 71728348 in words is "seventy-one million, seven hundred twenty-eight thousand, three hundred forty-eight".