74395859347 has 4 divisors (see below), whose sum is σ = 74785366656. Its totient is φ = 74006352040.

The previous prime is 74395859257. The next prime is 74395859401.

74395859347 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 74395859347 - 2²³ = 74387470739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74395859947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194753368 + ... + 194753749.

It is an arithmetic number, because the mean of its divisors is an integer number (18696341664).

Almost surely, 2^74395859347 is an apocalyptic number.

74395859347 is a deficient number, since it is larger than the sum of its proper divisors (389507309).

74395859347 is a wasteful number, since it uses less digits than its factorization.

74395859347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389507308.

The product of its digits is 114307200, while the sum is 64.

The spelling of 74395859347 in words is "seventy-four billion, three hundred ninety-five million, eight hundred fifty-nine thousand, three hundred forty-seven".