71894605900 has 72 divisors (see below), whose sum is σ = 168191360064. Its totient is φ = 26517388800.

The previous prime is 71894605877. The next prime is 71894605907. The reversal of 71894605900 is 950649817.

It is not an unprimeable number, because it can be changed into a prime (71894605907) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1209885 + ... + 1267915.

It is an arithmetic number, because the mean of its divisors is an integer number (2335991112).

Almost surely, 2^71894605900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71894605900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84095680032).

71894605900 is an abundant number, since it is smaller than the sum of its proper divisors (96296754164).

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

71894605900 is a wasteful number, since it uses less digits than its factorization.

71894605900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59011 (or 59004 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 71894605900 in words is "seventy-one billion, eight hundred ninety-four million, six hundred five thousand, nine hundred".