7041621573 has 64 divisors (see below), whose sum is σ = 12731596800. Its totient is φ = 3759618240.

The previous prime is 7041621551. The next prime is 7041621581. The reversal of 7041621573 is 3751261407.

It is a happy number.

7041621573 is a `hidden beast` number, since 70 + 4 + 16 + 2 + 1 + 573 = 666.

It is not a de Polignac number, because 7041621573 - 2⁵ = 7041621541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7041621523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 149190 + ... + 190632.

It is an arithmetic number, because the mean of its divisors is an integer number (198931200).

Almost surely, 2^7041621573 is an apocalyptic number.

It is an amenable number.

7041621573 is a deficient number, since it is larger than the sum of its proper divisors (5689975227).

7041621573 is a wasteful number, since it uses less digits than its factorization.

7041621573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41519 (or 41513 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 7041621573 is about 83914.3704796741. The cubic root of 7041621573 is about 1916.7150837456.

The spelling of 7041621573 in words is "seven billion, forty-one million, six hundred twenty-one thousand, five hundred seventy-three".