71000984380 has 12 divisors (see below), whose sum is σ = 149102067240. Its totient is φ = 28400393744.

The previous prime is 71000984371. The next prime is 71000984387. The reversal of 71000984380 is 8348900017.

It is a super-2 number, since 2×71000984380² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71000984387) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1775024590 + ... + 1775024629.

It is an arithmetic number, because the mean of its divisors is an integer number (12425172270).

Almost surely, 2^71000984380 is an apocalyptic number.

It is an amenable number.

71000984380 is an abundant number, since it is smaller than the sum of its proper divisors (78101082860).

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

71000984380 is a wasteful number, since it uses less digits than its factorization.

71000984380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550049228 (or 3550049226 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 71000984380 in words is "seventy-one billion, nine hundred eighty-four thousand, three hundred eighty".