74409867559 has 8 divisors (see below), whose sum is σ = 77660494560. Its totient is φ = 71160525216.

The previous prime is 74409867487. The next prime is 74409867569. The reversal of 74409867559 is 95576890447.

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 74409867559 - 2⁹ = 74409867047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74409867559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74409867569) 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, 201844 + ... + 435385.

It is an arithmetic number, because the mean of its divisors is an integer number (9707561820).

Almost surely, 2^74409867559 is an apocalyptic number.

74409867559 is a deficient number, since it is larger than the sum of its proper divisors (3250627001).

74409867559 is a wasteful number, since it uses less digits than its factorization.

74409867559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642329.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 74409867559 in words is "seventy-four billion, four hundred nine million, eight hundred sixty-seven thousand, five hundred fifty-nine".