74338755601 has 6 divisors (see below), whose sum is σ = 81711194306. Its totient is φ = 67580686800.

The previous prime is 74338755599. The next prime is 74338755619. The reversal of 74338755601 is 10655783347.

It can be written as a sum of positive squares in only one way, i.e., 66708558400 + 7630197201 = 258280^2 + 87351^2 .

It is not a de Polignac number, because 74338755601 - 2¹ = 74338755599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74338755661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307184820 + ... + 307185061.

Almost surely, 2^74338755601 is an apocalyptic number.

It is an amenable number.

74338755601 is a deficient number, since it is larger than the sum of its proper divisors (7372438705).

74338755601 is a wasteful number, since it uses less digits than its factorization.

74338755601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614369903 (or 614369892 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 74338755601 in words is "seventy-four billion, three hundred thirty-eight million, seven hundred fifty-five thousand, six hundred one".