74385433458347 has 4 divisors (see below), whose sum is σ = 81147745590936. Its totient is φ = 67623121325760.

The previous prime is 74385433458311. The next prime is 74385433458383.

It is a happy number.

74385433458347 is nontrivially palindromic in base 10.

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

It is an interprime number because it is at equal distance from previous prime (74385433458311) and next prime (74385433458383).

It is not a de Polignac number, because 74385433458347 - 2¹⁰ = 74385433457323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74385433158347) 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, 3381156066278 + ... + 3381156066299.

It is an arithmetic number, because the mean of its divisors is an integer number (20286936397734).

Almost surely, 2^{74385433458347} is an apocalyptic number.

74385433458347 is a deficient number, since it is larger than the sum of its proper divisors (6762312132589).

74385433458347 is a wasteful number, since it uses less digits than its factorization.

74385433458347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762312132588.

The product of its digits is 1625702400, while the sum is 68.

The spelling of 74385433458347 in words is "seventy-four trillion, three hundred eighty-five billion, four hundred thirty-three million, four hundred fifty-eight thousand, three hundred forty-seven".