74728208 has 10 divisors (see below), whose sum is σ = 144785934. Its totient is φ = 37364096.

The previous prime is 74728201. The next prime is 74728211. The reversal of 74728208 is 80282747.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 2274064 = 8512^2 + 1508^2 .

It is not an unprimeable number, because it can be changed into a prime (74728201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2335241 + ... + 2335272.

Almost surely, 2^74728208 is an apocalyptic number.

It is an amenable number.

74728208 is a deficient number, since it is larger than the sum of its proper divisors (70057726).

74728208 is a wasteful number, since it uses less digits than its factorization.

74728208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670521 (or 4670515 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 74728208 is about 8644.5478771304. The cubic root of 74728208 is about 421.2062977143.

The spelling of 74728208 in words is "seventy-four million, seven hundred twenty-eight thousand, two hundred eight".