71845517214 has 40 divisors (see below), whose sum is σ = 161077219248. Its totient is φ = 23935111200.

The previous prime is 71845517141. The next prime is 71845517231. The reversal of 71845517214 is 41271554817.

71845517214 is a `hidden beast` number, since 7 + 1 + 84 + 551 + 7 + 2 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 71845517214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 168639 + ... + 414885.

Almost surely, 2^71845517214 is an apocalyptic number.

71845517214 is an abundant number, since it is smaller than the sum of its proper divisors (89231702034).

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

71845517214 is a wasteful number, since it uses less digits than its factorization.

71845517214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248062 (or 248053 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The spelling of 71845517214 in words is "seventy-one billion, eight hundred forty-five million, five hundred seventeen thousand, two hundred fourteen".