71942768 has 20 divisors (see below), whose sum is σ = 139708320. Its totient is φ = 35889024.

The previous prime is 71942753. The next prime is 71942779. The reversal of 71942768 is 86724917.

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, 2393 + ... + 12231.

It is an arithmetic number, because the mean of its divisors is an integer number (6985416).

Almost surely, 2^71942768 is an apocalyptic number.

It is an amenable number.

71942768 is a deficient number, since it is larger than the sum of its proper divisors (67765552).

71942768 is a wasteful number, since it uses less digits than its factorization.

71942768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10304 (or 10298 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 71942768 is about 8481.9082758540. The cubic root of 71942768 is about 415.9065063563.

The spelling of 71942768 in words is "seventy-one million, nine hundred forty-two thousand, seven hundred sixty-eight".