74504718147648 has 56 divisors (see below), whose sum is σ = 197178632157568. Its totient is φ = 24828409622016.

The previous prime is 74504718147647. The next prime is 74504718147677. The reversal of 74504718147648 is 84674181740547.

It is not an unprimeable number, because it can be changed into a prime (74504718147647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50017411 + ... + 51485442.

Almost surely, 2^{74504718147648} is an apocalyptic number.

It is an amenable number.

74504718147648 is an abundant number, since it is smaller than the sum of its proper divisors (122673914009920).

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

74504718147648 is a wasteful number, since it uses less digits than its factorization.

74504718147648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101506691 (or 101506681 counting only the distinct ones).

The product of its (nonzero) digits is 168591360, while the sum is 66.

The spelling of 74504718147648 in words is "seventy-four trillion, five hundred four billion, seven hundred eighteen million, one hundred forty-seven thousand, six hundred forty-eight".