74456679669 has 8 divisors (see below), whose sum is σ = 99489992832. Its totient is φ = 49530576480.

The previous prime is 74456679637. The next prime is 74456679691. The reversal of 74456679669 is 96697665447.

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

It is not a de Polignac number, because 74456679669 - 2⁵ = 74456679637 is a prime.

It is a super-2 number, since 2×74456679669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74456679769) 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, 26800872 + ... + 26803649.

It is an arithmetic number, because the mean of its divisors is an integer number (12436249104).

Almost surely, 2^74456679669 is an apocalyptic number.

It is an amenable number.

74456679669 is a deficient number, since it is larger than the sum of its proper divisors (25033313163).

74456679669 is a wasteful number, since it uses less digits than its factorization.

74456679669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53604987.

The product of its digits is 411505920, while the sum is 69.

The spelling of 74456679669 in words is "seventy-four billion, four hundred fifty-six million, six hundred seventy-nine thousand, six hundred sixty-nine".