74352843745 has 8 divisors (see below), whose sum is σ = 89273352384. Its totient is φ = 59448981744.

The previous prime is 74352843739. The next prime is 74352843749. The reversal of 74352843745 is 54734825347.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74352843745 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74352843692 and 74352843701.

It is not an unprimeable number, because it can be changed into a prime (74352843749) 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, 4151829 + ... + 4169698.

It is an arithmetic number, because the mean of its divisors is an integer number (11159169048).

Almost surely, 2^74352843745 is an apocalyptic number.

It is an amenable number.

74352843745 is a deficient number, since it is larger than the sum of its proper divisors (14920508639).

74352843745 is a wasteful number, since it uses less digits than its factorization.

74352843745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323319.

The product of its digits is 11289600, while the sum is 52.

The spelling of 74352843745 in words is "seventy-four billion, three hundred fifty-two million, eight hundred forty-three thousand, seven hundred forty-five".