74643848 has 16 divisors (see below), whose sum is σ = 141344460. Its totient is φ = 36952000.

The previous prime is 74643847. The next prime is 74643853. The reversal of 74643848 is 84834647.

It can be written as a sum of positive squares in 2 ways, for example, as 64288324 + 10355524 = 8018^2 + 3218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74643799 and 74643808.

It is not an unprimeable number, because it can be changed into a prime (74643841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45383 + ... + 46998.

Almost surely, 2^74643848 is an apocalyptic number.

It is an amenable number.

74643848 is a deficient number, since it is larger than the sum of its proper divisors (66700612).

74643848 is a wasteful number, since it uses less digits than its factorization.

74643848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92488 (or 92484 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The square root of 74643848 is about 8639.6671232172. The cubic root of 74643848 is about 421.0477393708.

The spelling of 74643848 in words is "seventy-four million, six hundred forty-three thousand, eight hundred forty-eight".