74352843691 has 8 divisors (see below), whose sum is σ = 85086346464. Its totient is φ = 63647257920.

The previous prime is 74352843689. The next prime is 74352843739. The reversal of 74352843691 is 19634825347.

It is a happy number.

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 74352843691 - 2¹ = 74352843689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74352843641) 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, 6973540 + ... + 6984193.

It is an arithmetic number, because the mean of its divisors is an integer number (10635793308).

Almost surely, 2^74352843691 is an apocalyptic number.

74352843691 is a deficient number, since it is larger than the sum of its proper divisors (10733502773).

74352843691 is a wasteful number, since it uses less digits than its factorization.

74352843691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13958501.

The product of its digits is 4354560, while the sum is 52.

The spelling of 74352843691 in words is "seventy-four billion, three hundred fifty-two million, eight hundred forty-three thousand, six hundred ninety-one".