74676867648 has 28 divisors (see below), whose sum is σ = 197582546160. Its totient is φ = 24892289152.

The previous prime is 74676867641. The next prime is 74676867689. The reversal of 74676867648 is 84676867647.

It is not an unprimeable number, because it can be changed into a prime (74676867641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194470818 + ... + 194471201.

Almost surely, 2^74676867648 is an apocalyptic number.

It is an amenable number.

74676867648 is an abundant number, since it is smaller than the sum of its proper divisors (122905678512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74676867648 is a wasteful number, since it uses less digits than its factorization.

74676867648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388942034 (or 388942024 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 69.

Subtracting 74676867648 from its reverse (84676867647), we obtain a palindrome (9999999999).

The spelling of 74676867648 in words is "seventy-four billion, six hundred seventy-six million, eight hundred sixty-seven thousand, six hundred forty-eight".