74355855347 has 4 divisors (see below), whose sum is σ = 75013871880. Its totient is φ = 73697838816.

The previous prime is 74355855341. The next prime is 74355855359.

74355855347 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74355855347 - 2⁶ = 74355855283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74355855292 and 74355855301.

It is not an unprimeable number, because it can be changed into a prime (74355855341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329008097 + ... + 329008322.

It is an arithmetic number, because the mean of its divisors is an integer number (18753467970).

Almost surely, 2^74355855347 is an apocalyptic number.

74355855347 is a deficient number, since it is larger than the sum of its proper divisors (658016533).

74355855347 is a wasteful number, since it uses less digits than its factorization.

74355855347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658016532.

The product of its digits is 35280000, while the sum is 56.

The spelling of 74355855347 in words is "seventy-four billion, three hundred fifty-five million, eight hundred fifty-five thousand, three hundred forty-seven".