75436224664 has 16 divisors (see below), whose sum is σ = 141679062000. Its totient is φ = 37655141472.

The previous prime is 75436224659. The next prime is 75436224673. The reversal of 75436224664 is 46642263457.

It is a congruent number.

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, 7866267 + ... + 7875850.

It is an arithmetic number, because the mean of its divisors is an integer number (8854941375).

Almost surely, 2^75436224664 is an apocalyptic number.

It is an amenable number.

75436224664 is a deficient number, since it is larger than the sum of its proper divisors (66242837336).

75436224664 is a wasteful number, since it uses less digits than its factorization.

75436224664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15742722 (or 15742718 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 49.

The spelling of 75436224664 in words is "seventy-five billion, four hundred thirty-six million, two hundred twenty-four thousand, six hundred sixty-four".