74031330 has 16 divisors (see below), whose sum is σ = 177675264. Its totient is φ = 19741680.

The previous prime is 74031329. The next prime is 74031343. The reversal of 74031330 is 3313047.

It is a junction number, because it is equal to n+sod(n) for n = 74031297 and 74031306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233826 + ... + 1233885.

It is an arithmetic number, because the mean of its divisors is an integer number (11104704).

Almost surely, 2^74031330 is an apocalyptic number.

74031330 is an abundant number, since it is smaller than the sum of its proper divisors (103643934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74031330 is a wasteful number, since it uses less digits than its factorization.

74031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467721.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 74031330 is about 8604.1460935993. The cubic root of 74031330 is about 419.8928865171.

Adding to 74031330 its reverse (3313047), we get a palindrome (77344377).

The spelling of 74031330 in words is "seventy-four million, thirty-one thousand, three hundred thirty".