71904173338 has 16 divisors (see below), whose sum is σ = 112551667200. Its totient is φ = 34387117776.

The previous prime is 71904173309. The next prime is 71904173351. The reversal of 71904173338 is 83337140917.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281088 + ... + 1336036.

It is an arithmetic number, because the mean of its divisors is an integer number (7034479200).

Almost surely, 2^71904173338 is an apocalyptic number.

71904173338 is a deficient number, since it is larger than the sum of its proper divisors (40647493862).

71904173338 is a wasteful number, since it uses less digits than its factorization.

71904173338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83421.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 71904173338 in words is "seventy-one billion, nine hundred four million, one hundred seventy-three thousand, three hundred thirty-eight".