74840242840684 has 6 divisors (see below), whose sum is σ = 130970424971204. Its totient is φ = 37420121420340.

The previous prime is 74840242840663. The next prime is 74840242840703. The reversal of 74840242840684 is 48604824204847.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9355030355082 + ... + 9355030355089.

Almost surely, 2^{74840242840684} is an apocalyptic number.

It is an amenable number.

74840242840684 is a deficient number, since it is larger than the sum of its proper divisors (56130182130520).

74840242840684 is a wasteful number, since it uses less digits than its factorization.

74840242840684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18710060710175 (or 18710060710173 counting only the distinct ones).

The product of its (nonzero) digits is 88080384, while the sum is 61.

The spelling of 74840242840684 in words is "seventy-four trillion, eight hundred forty billion, two hundred forty-two million, eight hundred forty thousand, six hundred eighty-four".