74135769 has 8 divisors (see below), whose sum is σ = 99569760. Its totient is φ = 49062816.

The previous prime is 74135729. The next prime is 74135771. The reversal of 74135769 is 96753147.

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

It is not a de Polignac number, because 74135769 - 2⁷ = 74135641 is a prime.

It is a super-2 number, since 2×74135769² = 10992224490442722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 74135769.

It is not an unprimeable number, because it can be changed into a prime (74135729) 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, 89779 + ... + 90600.

It is an arithmetic number, because the mean of its divisors is an integer number (12446220).

Almost surely, 2^74135769 is an apocalyptic number.

It is an amenable number.

74135769 is a deficient number, since it is larger than the sum of its proper divisors (25433991).

74135769 is a wasteful number, since it uses less digits than its factorization.

74135769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180519.

The product of its digits is 158760, while the sum is 42.

The square root of 74135769 is about 8610.2130635658. The cubic root of 74135769 is about 420.0902470468.

The spelling of 74135769 in words is "seventy-four million, one hundred thirty-five thousand, seven hundred sixty-nine".