74319169 has 4 divisors (see below), whose sum is σ = 75085444. Its totient is φ = 73552896.

The previous prime is 74319151. The next prime is 74319181. The reversal of 74319169 is 96191347.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25877569 + 48441600 = 5087^2 + 6960^2 .

It is a cyclic number.

It is not a de Polignac number, because 74319169 - 2⁷ = 74319041 is a prime.

It is a super-2 number, since 2×74319169² = 11046677761701122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74319109) 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, 382992 + ... + 383185.

It is an arithmetic number, because the mean of its divisors is an integer number (18771361).

Almost surely, 2^74319169 is an apocalyptic number.

It is an amenable number.

74319169 is a deficient number, since it is larger than the sum of its proper divisors (766275).

74319169 is an equidigital number, since it uses as much as digits as its factorization.

74319169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766274.

The product of its digits is 40824, while the sum is 40.

The square root of 74319169 is about 8620.8566279692. The cubic root of 74319169 is about 420.4363737436.

The spelling of 74319169 in words is "seventy-four million, three hundred nineteen thousand, one hundred sixty-nine".