71112378 has 16 divisors (see below), whose sum is σ = 142324416. Its totient is φ = 23687520.

The previous prime is 71112367. The next prime is 71112401. The reversal of 71112378 is 87321117.

It is a Curzon 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, 7750 + ... + 14222.

It is an arithmetic number, because the mean of its divisors is an integer number (8895276).

Almost surely, 2^71112378 is an apocalyptic number.

71112378 is an abundant number, since it is smaller than the sum of its proper divisors (71212038).

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

71112378 is a wasteful number, since it uses less digits than its factorization.

71112378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309.

The product of its digits is 2352, while the sum is 30.

The square root of 71112378 is about 8432.8155440517. The cubic root of 71112378 is about 414.3001277699.

The spelling of 71112378 in words is "seventy-one million, one hundred twelve thousand, three hundred seventy-eight".