74423639408964 has 24 divisors (see below), whose sum is σ = 175022522078208. Its totient is φ = 24612542166240.

The previous prime is 74423639408939. The next prime is 74423639408971. The reversal of 74423639408964 is 46980493632447.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24417203007 + ... + 24417206054.

It is an arithmetic number, because the mean of its divisors is an integer number (7292605086592).

Almost surely, 2^{74423639408964} is an apocalyptic number.

It is an amenable number.

74423639408964 is an abundant number, since it is smaller than the sum of its proper divisors (100598882669244).

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

74423639408964 is a wasteful number, since it uses less digits than its factorization.

74423639408964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48834409195 (or 48834409193 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 69.

The spelling of 74423639408964 in words is "seventy-four trillion, four hundred twenty-three billion, six hundred thirty-nine million, four hundred eight thousand, nine hundred sixty-four".