74447697378033 has 18 divisors (see below), whose sum is σ = 125092389472674. Its totient is φ = 42541541358624.

The previous prime is 74447697377969. The next prime is 74447697378077. The reversal of 74447697378033 is 33087379674447.

74447697378033 is a `hidden beast` number, since 7 + 4 + 4 + 476 + 9 + 73 + 7 + 80 + 3 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68579714376369 + 5867983001664 = 8281287^2 + 2422392^2 .

It is not a de Polignac number, because 74447697378033 - 2⁶ = 74447697377969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74447697373033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 84407819716 + ... + 84407820597.

Almost surely, 2^{74447697378033} is an apocalyptic number.

It is an amenable number.

74447697378033 is a deficient number, since it is larger than the sum of its proper divisors (50644692094641).

74447697378033 is a wasteful number, since it uses less digits than its factorization.

74447697378033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168815640333 (or 168815640323 counting only the distinct ones).

The product of its (nonzero) digits is 1792336896, while the sum is 72.

The spelling of 74447697378033 in words is "seventy-four trillion, four hundred forty-seven billion, six hundred ninety-seven million, three hundred seventy-eight thousand, thirty-three".