71195491790 has 16 divisors (see below), whose sum is σ = 128968142112. Its totient is φ = 28296806304.

The previous prime is 71195491781. The next prime is 71195491867. The reversal of 71195491790 is 9719459117.

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, 22672154 + ... + 22675293.

It is an arithmetic number, because the mean of its divisors is an integer number (8060508882).

Almost surely, 2^71195491790 is an apocalyptic number.

71195491790 is a deficient number, since it is larger than the sum of its proper divisors (57772650322).

71195491790 is a wasteful number, since it uses less digits than its factorization.

71195491790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45347611.

The product of its (nonzero) digits is 714420, while the sum is 53.

The spelling of 71195491790 in words is "seventy-one billion, one hundred ninety-five million, four hundred ninety-one thousand, seven hundred ninety".