74324042347 has 8 divisors (see below), whose sum is σ = 78708326400. Its totient is φ = 69941122944.

The previous prime is 74324042333. The next prime is 74324042371.

It is a happy number.

74324042347 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74324042347 - 2¹⁵ = 74324009579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74324042147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227947 + ... + 447892.

It is an arithmetic number, because the mean of its divisors is an integer number (9838540800).

Almost surely, 2^74324042347 is an apocalyptic number.

74324042347 is a deficient number, since it is larger than the sum of its proper divisors (4384284053).

74324042347 is a wasteful number, since it uses less digits than its factorization.

74324042347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682325.

The product of its (nonzero) digits is 451584, while the sum is 40.

It can be divided in two parts, 743240 and 42347, that added together give a palindrome (785587).

The spelling of 74324042347 in words is "seventy-four billion, three hundred twenty-four million, forty-two thousand, three hundred forty-seven".