71023916814 has 16 divisors (see below), whose sum is σ = 145512415440. Its totient is φ = 23097208640.

The previous prime is 71023916801. The next prime is 71023916819. The reversal of 71023916814 is 41861932017.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71023916819) 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, 144357309 + ... + 144357800.

It is an arithmetic number, because the mean of its divisors is an integer number (9094525965).

Almost surely, 2^71023916814 is an apocalyptic number.

71023916814 is an abundant number, since it is smaller than the sum of its proper divisors (74488498626).

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

71023916814 is a wasteful number, since it uses less digits than its factorization.

71023916814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288715155.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 71023916814 in words is "seventy-one billion, twenty-three million, nine hundred sixteen thousand, eight hundred fourteen".