71004381400 has 48 divisors (see below), whose sum is σ = 165997344240. Its totient is φ = 28244822400.

The previous prime is 71004381397. The next prime is 71004381403. The reversal of 71004381400 is 418340017.

It is an interprime number because it is at equal distance from previous prime (71004381397) and next prime (71004381403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71004381403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944524 + ... + 1016923.

It is an arithmetic number, because the mean of its divisors is an integer number (3458278005).

Almost surely, 2^71004381400 is an apocalyptic number.

It is an amenable number.

71004381400 is an abundant number, since it is smaller than the sum of its proper divisors (94992962840).

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

71004381400 is a wasteful number, since it uses less digits than its factorization.

71004381400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961644 (or 1961635 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 71004381400 in words is "seventy-one billion, four million, three hundred eighty-one thousand, four hundred".