71707451000 has 64 divisors (see below), whose sum is σ = 167954904000. Its totient is φ = 28655721600.

The previous prime is 71707450993. The next prime is 71707451017. The reversal of 71707451000 is 15470717.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035461 + ... + 1102539.

It is an arithmetic number, because the mean of its divisors is an integer number (2624295375).

Almost surely, 2^71707451000 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 71707451000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83977452000).

71707451000 is an abundant number, since it is smaller than the sum of its proper divisors (96247453000).

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

71707451000 is a wasteful number, since it uses less digits than its factorization.

71707451000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68169 (or 68155 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 32.

The spelling of 71707451000 in words is "seventy-one billion, seven hundred seven million, four hundred fifty-one thousand".