7104510021 has 16 divisors (see below), whose sum is σ = 10987503104. Its totient is φ = 3999126384.

The previous prime is 7104509999. The next prime is 7104510041. The reversal of 7104510021 is 1200154017.

It is a happy number.

It is not a de Polignac number, because 7104510021 - 2²¹ = 7102412869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7104510021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7104510041) by changing a digit.

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, 2523295 + ... + 2526108.

It is an arithmetic number, because the mean of its divisors is an integer number (686718944).

Almost surely, 2^7104510021 is an apocalyptic number.

It is an amenable number.

7104510021 is a deficient number, since it is larger than the sum of its proper divisors (3882993083).

7104510021 is a wasteful number, since it uses less digits than its factorization.

7104510021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049480.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 7104510021 is about 84288.2555342083. The cubic root of 7104510021 is about 1922.4042166539.

Adding to 7104510021 its reverse (1200154017), we get a palindrome (8304664038).

The spelling of 7104510021 in words is "seven billion, one hundred four million, five hundred ten thousand, twenty-one".