74899 has 6 divisors (see below), whose sum is σ = 82460. Its totient is φ = 67980.
The previous prime is 74897. The next prime is 74903. The reversal of 74899 is 99847.
It is a happy number.
It is not a de Polignac number, because 74899 - 21 = 74897 is a prime.
It is a Duffinian number.
It is a plaindrome in base 8.
It is not an unprimeable number, because it can be changed into a prime (74891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189 + ... + 430.
274899 is an apocalyptic number.
74899 is a deficient number, since it is larger than the sum of its proper divisors (7561).
74899 is a wasteful number, since it uses less digits than its factorization.
74899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641 (or 630 counting only the distinct ones).
The product of its digits is 18144, while the sum is 37.
The square root of 74899 is about 273.6768167017. The cubic root of 74899 is about 42.1526943835.
The spelling of 74899 in words is "seventy-four thousand, eight hundred ninety-nine".
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