74693917885 has 8 divisors (see below), whose sum is σ = 90182596320. Its totient is φ = 59388537744.

The previous prime is 74693917873. The next prime is 74693917891. The reversal of 74693917885 is 58871939647.

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 74693917885 - 2²⁷ = 74559700157 is a prime.

It is a super-2 number, since 2×74693917885² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74693917885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45823675 + ... + 45825304.

It is an arithmetic number, because the mean of its divisors is an integer number (11272824540).

Almost surely, 2^74693917885 is an apocalyptic number.

It is an amenable number.

74693917885 is a deficient number, since it is larger than the sum of its proper divisors (15488678435).

74693917885 is a wasteful number, since it uses less digits than its factorization.

74693917885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91649147.

The product of its digits is 91445760, while the sum is 67.

The spelling of 74693917885 in words is "seventy-four billion, six hundred ninety-three million, nine hundred seventeen thousand, eight hundred eighty-five".