71893371790 has 16 divisors (see below), whose sum is σ = 137020308912. Its totient is φ = 27065739904.

The previous prime is 71893371763. The next prime is 71893371827. The reversal of 71893371790 is 9717339817.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211450924 + ... + 211451263.

It is an arithmetic number, because the mean of its divisors is an integer number (8563769307).

Almost surely, 2^71893371790 is an apocalyptic number.

71893371790 is a deficient number, since it is larger than the sum of its proper divisors (65126937122).

71893371790 is a wasteful number, since it uses less digits than its factorization.

71893371790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422902211.

The product of its (nonzero) digits is 2000376, while the sum is 55.

The spelling of 71893371790 in words is "seventy-one billion, eight hundred ninety-three million, three hundred seventy-one thousand, seven hundred ninety".