74333747648 has 28 divisors (see below), whose sum is σ = 147556968792. Its totient is φ = 37154039040.

The previous prime is 74333747629. The next prime is 74333747693. The reversal of 74333747648 is 84674733347.

It is a junction number, because it is equal to n+sod(n) for n = 74333747593 and 74333747602.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 12398 + ... + 385773.

Almost surely, 2^74333747648 is an apocalyptic number.

It is an amenable number.

74333747648 is a deficient number, since it is larger than the sum of its proper divisors (73223221144).

74333747648 is a wasteful number, since it uses less digits than its factorization.

74333747648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401100 (or 401090 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 56.

The spelling of 74333747648 in words is "seventy-four billion, three hundred thirty-three million, seven hundred forty-seven thousand, six hundred forty-eight".