74884357969 has 4 divisors (see below), whose sum is σ = 74931664896. Its totient is φ = 74837051044.

The previous prime is 74884357967. The next prime is 74884358041. The reversal of 74884357969 is 96975348847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96975348847 = 13 ⋅7459642219.

It is a cyclic number.

It is not a de Polignac number, because 74884357969 - 2¹ = 74884357967 is a prime.

It is a super-2 number, since 2×74884357969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74884357898 and 74884357907.

It is not an unprimeable number, because it can be changed into a prime (74884357967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23651089 + ... + 23654254.

It is an arithmetic number, because the mean of its divisors is an integer number (18732916224).

Almost surely, 2^74884357969 is an apocalyptic number.

It is an amenable number.

74884357969 is a deficient number, since it is larger than the sum of its proper divisors (47306927).

74884357969 is a wasteful number, since it uses less digits than its factorization.

74884357969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47306926.

The product of its digits is 365783040, while the sum is 70.

The spelling of 74884357969 in words is "seventy-four billion, eight hundred eighty-four million, three hundred fifty-seven thousand, nine hundred sixty-nine".