74019328 has 20 divisors (see below), whose sum is σ = 147895110. Its totient is φ = 37009408.

The previous prime is 74019293. The next prime is 74019329. The reversal of 74019328 is 82391047.

It can be written as a sum of positive squares in only one way, i.e., 39538944 + 34480384 = 6288^2 + 5872^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74019293 and 74019302.

It is not an unprimeable number, because it can be changed into a prime (74019329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71773 + ... + 72796.

Almost surely, 2^74019328 is an apocalyptic number.

It is an amenable number.

74019328 is a deficient number, since it is larger than the sum of its proper divisors (73875782).

74019328 is an equidigital number, since it uses as much as digits as its factorization.

74019328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144587 (or 144571 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 74019328 is about 8603.4486108769. The cubic root of 74019328 is about 419.8701942021.

It can be divided in two parts, 74019 and 328, that added together give a palindrome (74347).

The spelling of 74019328 in words is "seventy-four million, nineteen thousand, three hundred twenty-eight".