71217376 has 12 divisors (see below), whose sum is σ = 140209272. Its totient is φ = 35608672.

The previous prime is 71217347. The next prime is 71217389. The reversal of 71217376 is 67371217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112740 + ... + 1112803.

It is an arithmetic number, because the mean of its divisors is an integer number (11684106).

Almost surely, 2^71217376 is an apocalyptic number.

It is an amenable number.

71217376 is a deficient number, since it is larger than the sum of its proper divisors (68991896).

71217376 is a wasteful number, since it uses less digits than its factorization.

71217376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225553 (or 2225545 counting only the distinct ones).

The product of its digits is 12348, while the sum is 34.

The square root of 71217376 is about 8439.0388078264. The cubic root of 71217376 is about 414.5039333233.

The spelling of 71217376 in words is "seventy-one million, two hundred seventeen thousand, three hundred seventy-six".