75205422623 has 4 divisors (see below), whose sum is σ = 75212755008. Its totient is φ = 75198090240.

The previous prime is 75205422587. The next prime is 75205422659. The reversal of 75205422623 is 32622450257.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (75205422587) and next prime (75205422659).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75205422623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75205422023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3650786 + ... + 3671327.

It is an arithmetic number, because the mean of its divisors is an integer number (18803188752).

Almost surely, 2^75205422623 is an apocalyptic number.

75205422623 is a deficient number, since it is larger than the sum of its proper divisors (7332385).

75205422623 is a wasteful number, since it uses less digits than its factorization.

75205422623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7332384.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 75205422623 in words is "seventy-five billion, two hundred five million, four hundred twenty-two thousand, six hundred twenty-three".