71838901404 has 48 divisors (see below), whose sum is σ = 186266832640. Its totient is φ = 23944008240.

The previous prime is 71838901259. The next prime is 71838901429. The reversal of 71838901404 is 40410983817.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71838901404.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1397217 + ... + 1447719.

Almost surely, 2^71838901404 is an apocalyptic number.

It is an amenable number.

71838901404 is an abundant number, since it is smaller than the sum of its proper divisors (114427931236).

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

71838901404 is a wasteful number, since it uses less digits than its factorization.

71838901404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63687 (or 63679 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 71838901404 in words is "seventy-one billion, eight hundred thirty-eight million, nine hundred one thousand, four hundred four".