75662643005 has 8 divisors (see below), whose sum is σ = 90819913272. Its totient is φ = 60513619968.

The previous prime is 75662642987. The next prime is 75662643083. The reversal of 75662643005 is 50034626657.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1338649 + 75661304356 = 1157^2 + 275066^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75662643005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041604 + ... + 2078333.

It is an arithmetic number, because the mean of its divisors is an integer number (11352489159).

Almost surely, 2^75662643005 is an apocalyptic number.

It is an amenable number.

75662643005 is a deficient number, since it is larger than the sum of its proper divisors (15157270267).

75662643005 is a wasteful number, since it uses less digits than its factorization.

75662643005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123615.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 75662643005 in words is "seventy-five billion, six hundred sixty-two million, six hundred forty-three thousand, five".