71219894 has 8 divisors (see below), whose sum is σ = 109717248. Its totient is φ = 34647480.

The previous prime is 71219881. The next prime is 71219921. The reversal of 71219894 is 49891217.

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

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, 481142 + ... + 481289.

It is an arithmetic number, because the mean of its divisors is an integer number (13714656).

Almost surely, 2^71219894 is an apocalyptic number.

71219894 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

71219894 is a deficient number, since it is larger than the sum of its proper divisors (38497354).

71219894 is a wasteful number, since it uses less digits than its factorization.

71219894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962470.

The product of its digits is 36288, while the sum is 41.

The square root of 71219894 is about 8439.1879941141. The cubic root of 71219894 is about 414.5088184073.

The spelling of 71219894 in words is "seventy-one million, two hundred nineteen thousand, eight hundred ninety-four".