74634849808 has 20 divisors (see below), whose sum is σ = 146975597548. Its totient is φ = 36705663360.

The previous prime is 74634849803. The next prime is 74634849851. The reversal of 74634849808 is 80894843647.

It can be written as a sum of positive squares in 2 ways, for example, as 6549341184 + 68085508624 = 80928^2 + 260932^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (74634849803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38234091 + ... + 38236042.

Almost surely, 2^74634849808 is an apocalyptic number.

It is an amenable number.

74634849808 is a deficient number, since it is larger than the sum of its proper divisors (72340747740).

74634849808 is a wasteful number, since it uses less digits than its factorization.

74634849808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76470202 (or 76470196 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 61.

The spelling of 74634849808 in words is "seventy-four billion, six hundred thirty-four million, eight hundred forty-nine thousand, eight hundred eight".