71678112 has 96 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 21477120.

The previous prime is 71678099. The next prime is 71678153. The reversal of 71678112 is 21187617.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108439 + ... + 109097.

It is an arithmetic number, because the mean of its divisors is an integer number (2162160).

Almost surely, 2^71678112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71678112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103783680).

71678112 is an abundant number, since it is smaller than the sum of its proper divisors (135889248).

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

71678112 is a wasteful number, since it uses less digits than its factorization.

71678112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 778 counting only the distinct ones).

The product of its digits is 4704, while the sum is 33.

The square root of 71678112 is about 8466.2926951529. The cubic root of 71678112 is about 415.3958810071.

The spelling of 71678112 in words is "seventy-one million, six hundred seventy-eight thousand, one hundred twelve".