75620421608 has 32 divisors (see below), whose sum is σ = 145837560000. Its totient is φ = 36739519488.

The previous prime is 75620421601. The next prime is 75620421619. The reversal of 75620421608 is 80612402657.

It is not an unprimeable number, because it can be changed into a prime (75620421601) 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, 503108 + ... + 635891.

It is an arithmetic number, because the mean of its divisors is an integer number (4557423750).

Almost surely, 2^75620421608 is an apocalyptic number.

It is an amenable number.

75620421608 is a deficient number, since it is larger than the sum of its proper divisors (70217138392).

75620421608 is a wasteful number, since it uses less digits than its factorization.

75620421608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139241 (or 1139237 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 75620421608 in words is "seventy-five billion, six hundred twenty million, four hundred twenty-one thousand, six hundred eight".