71719914 has 16 divisors (see below), whose sum is σ = 163931328. Its totient is φ = 20491392.

The previous prime is 71719903. The next prime is 71719919. The reversal of 71719914 is 41991717.

It is not an unprimeable number, because it can be changed into a prime (71719919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853767 + ... + 853850.

It is an arithmetic number, because the mean of its divisors is an integer number (10245708).

Almost surely, 2^71719914 is an apocalyptic number.

71719914 is an abundant number, since it is smaller than the sum of its proper divisors (92211414).

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

71719914 is a wasteful number, since it uses less digits than its factorization.

71719914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707629.

The product of its digits is 15876, while the sum is 39.

The square root of 71719914 is about 8468.7610664134. The cubic root of 71719914 is about 415.4766169698.

The spelling of 71719914 in words is "seventy-one million, seven hundred nineteen thousand, nine hundred fourteen".