71458722400 has 72 divisors (see below), whose sum is σ = 187867756944. Its totient is φ = 26384755200.

The previous prime is 71458722371. The next prime is 71458722421. The reversal of 71458722400 is 422785417.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3425116 + ... + 3445915.

It is an arithmetic number, because the mean of its divisors is an integer number (2609274402).

Almost surely, 2^71458722400 is an apocalyptic number.

It is an amenable number.

71458722400 is an abundant number, since it is smaller than the sum of its proper divisors (116409034544).

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

71458722400 is a wasteful number, since it uses less digits than its factorization.

71458722400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871064 (or 6871051 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 71458722400 in words is "seventy-one billion, four hundred fifty-eight million, seven hundred twenty-two thousand, four hundred".