71873508188734 has 24 divisors (see below), whose sum is σ = 125413654149360. Its totient is φ = 30802510511136.

The previous prime is 71873508188633. The next prime is 71873508188761. The reversal of 71873508188734 is 43788180537817.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2231602 + ... + 12195370.

It is an arithmetic number, because the mean of its divisors is an integer number (5225568922890).

Almost surely, 2^{71873508188734} is an apocalyptic number.

71873508188734 is a deficient number, since it is larger than the sum of its proper divisors (53540145960626).

71873508188734 is a wasteful number, since it uses less digits than its factorization.

71873508188734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037392 (or 10037385 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 70.

The spelling of 71873508188734 in words is "seventy-one trillion, eight hundred seventy-three billion, five hundred eight million, one hundred eighty-eight thousand, seven hundred thirty-four".