74383205755 has 4 divisors (see below), whose sum is σ = 89259846912. Its totient is φ = 59506564600.

The previous prime is 74383205737. The next prime is 74383205777. The reversal of 74383205755 is 55750238347.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74383205755 - 2⁷ = 74383205627 is a prime.

It is a super-2 number, since 2×74383205755² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74383205699 and 74383205708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7438320571 + ... + 7438320580.

It is an arithmetic number, because the mean of its divisors is an integer number (22314961728).

Almost surely, 2^74383205755 is an apocalyptic number.

74383205755 is a deficient number, since it is larger than the sum of its proper divisors (14876641157).

74383205755 is a wasteful number, since it uses less digits than its factorization.

74383205755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14876641156.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 74383205755 in words is "seventy-four billion, three hundred eighty-three million, two hundred five thousand, seven hundred fifty-five".