71804106450 has 288 divisors, whose sum is σ = 203493850560. Its totient is φ = 18822585600.

The previous prime is 71804106421. The next prime is 71804106487. The reversal of 71804106450 is 5460140817.

It is a happy number.

71804106450 is a `hidden beast` number, since 7 + 1 + 8 + 0 + 4 + 1 + 0 + 645 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 313554936 + ... + 313555164.

It is an arithmetic number, because the mean of its divisors is an integer number (706575870).

Almost surely, 2^71804106450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71804106450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101746925280).

71804106450 is an abundant number, since it is smaller than the sum of its proper divisors (131689744110).

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

71804106450 is a wasteful number, since it uses less digits than its factorization.

71804106450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 71804106450 in words is "seventy-one billion, eight hundred four million, one hundred six thousand, four hundred fifty".