75007221573 has 8 divisors (see below), whose sum is σ = 100092905536. Its totient is φ = 49963176000.

The previous prime is 75007221571. The next prime is 75007221577. The reversal of 75007221573 is 37512270057.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75007221573 - 2¹ = 75007221571 is a prime.

It is a super-2 number, since 2×75007221573² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75007221571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10405393 + ... + 10412598.

It is an arithmetic number, because the mean of its divisors is an integer number (12511613192).

Almost surely, 2^75007221573 is an apocalyptic number.

It is an amenable number.

75007221573 is a deficient number, since it is larger than the sum of its proper divisors (25085683963).

75007221573 is a wasteful number, since it uses less digits than its factorization.

75007221573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20819195.

The product of its (nonzero) digits is 102900, while the sum is 39.

The spelling of 75007221573 in words is "seventy-five billion, seven million, two hundred twenty-one thousand, five hundred seventy-three".