71394886 has 8 divisors (see below), whose sum is σ = 107157744. Its totient is φ = 35675640.

The previous prime is 71394877. The next prime is 71394887. The reversal of 71394886 is 68849317.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71394887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6445 + ... + 13576.

It is an arithmetic number, because the mean of its divisors is an integer number (13394718).

Almost surely, 2^71394886 is an apocalyptic number.

71394886 is a deficient number, since it is larger than the sum of its proper divisors (35762858).

71394886 is a wasteful number, since it uses less digits than its factorization.

71394886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21806.

The product of its digits is 290304, while the sum is 46.

The square root of 71394886 is about 8449.5494554444. The cubic root of 71394886 is about 414.8480326150.

The spelling of 71394886 in words is "seventy-one million, three hundred ninety-four thousand, eight hundred eighty-six".