75643670002 has 8 divisors (see below), whose sum is σ = 114053409756. Its totient is φ = 37625866752.

The previous prime is 75643669993. The next prime is 75643670051. The reversal of 75643670002 is 20007634657.

It can be written as a sum of positive squares in 2 ways, for example, as 63036647041 + 12607022961 = 251071^2 + 112281^2 .

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

It is a super-2 number, since 2×75643670002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97983643 + ... + 97984414.

Almost surely, 2^75643670002 is an apocalyptic number.

75643670002 is a deficient number, since it is larger than the sum of its proper divisors (38409739754).

75643670002 is a wasteful number, since it uses less digits than its factorization.

75643670002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195968252.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 75643670002 in words is "seventy-five billion, six hundred forty-three million, six hundred seventy thousand, two".