74709169 has 8 divisors (see below), whose sum is σ = 79710048. Its totient is φ = 69775680.

The previous prime is 74709161. The next prime is 74709211. The reversal of 74709169 is 96190747.

It is a happy number.

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 74709169 - 2³ = 74709161 is a prime.

It is a super-2 number, since 2×74709169² = 11162919865341122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74709161) 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, 14547 + ... + 19000.

It is an arithmetic number, because the mean of its divisors is an integer number (9963756).

Almost surely, 2^74709169 is an apocalyptic number.

It is an amenable number.

74709169 is a deficient number, since it is larger than the sum of its proper divisors (5000879).

74709169 is a wasteful number, since it uses less digits than its factorization.

74709169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33695.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 74709169 is about 8643.4465926504. The cubic root of 74709169 is about 421.1705235041.

The spelling of 74709169 in words is "seventy-four million, seven hundred nine thousand, one hundred sixty-nine".