7105721376 has 96 divisors (see below), whose sum is σ = 20164636800. Its totient is φ = 2177961984.

The previous prime is 7105721347. The next prime is 7105721401. The reversal of 7105721376 is 6731275017.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 317400 + ... + 339048.

It is an arithmetic number, because the mean of its divisors is an integer number (210048300).

Almost surely, 2^7105721376 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 7105721376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10082318400).

7105721376 is an abundant number, since it is smaller than the sum of its proper divisors (13058915424).

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

7105721376 is a wasteful number, since it uses less digits than its factorization.

7105721376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938 (or 21930 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 7105721376 is about 84295.4410155140. The cubic root of 7105721376 is about 1922.5134703351.

The spelling of 7105721376 in words is "seven billion, one hundred five million, seven hundred twenty-one thousand, three hundred seventy-six".