71834436400 has 60 divisors (see below), whose sum is σ = 174361525912. Its totient is φ = 28437534720.

The previous prime is 71834436397. The next prime is 71834436413. The reversal of 71834436400 is 463443817.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 886902 + ... + 964501.

Almost surely, 2^71834436400 is an apocalyptic number.

It is an amenable number.

71834436400 is an abundant number, since it is smaller than the sum of its proper divisors (102527089512).

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

71834436400 is a wasteful number, since it uses less digits than its factorization.

71834436400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851518 (or 1851507 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 71834436400 in words is "seventy-one billion, eight hundred thirty-four million, four hundred thirty-six thousand, four hundred".