74123381408 has 12 divisors (see below), whose sum is σ = 145930407210. Its totient is φ = 37061690688.

The previous prime is 74123381383. The next prime is 74123381411. The reversal of 74123381408 is 80418332147.

It can be written as a sum of positive squares in only one way, i.e., 59854601104 + 14268780304 = 244652^2 + 119452^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158177803 + ... + 1158177866.

Almost surely, 2^74123381408 is an apocalyptic number.

It is an amenable number.

74123381408 is a deficient number, since it is larger than the sum of its proper divisors (71807025802).

74123381408 is a wasteful number, since it uses less digits than its factorization.

74123381408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316355679 (or 2316355671 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 74123381408 in words is "seventy-four billion, one hundred twenty-three million, three hundred eighty-one thousand, four hundred eight".