74021008 has 10 divisors (see below), whose sum is σ = 143415734. Its totient is φ = 37010496.

The previous prime is 74020993. The next prime is 74021011. The reversal of 74021008 is 80012047.

It can be written as a sum of positive squares in only one way, i.e., 55771024 + 18249984 = 7468^2 + 4272^2 .

It is a super-3 number, since 3×74021008³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74021008.

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 as a sum of consecutive naturals, namely, 2313141 + ... + 2313172.

Almost surely, 2^74021008 is an apocalyptic number.

It is an amenable number.

74021008 is a deficient number, since it is larger than the sum of its proper divisors (69394726).

74021008 is a wasteful number, since it uses less digits than its factorization.

74021008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626321 (or 4626315 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 74021008 is about 8603.5462455897. The cubic root of 74021008 is about 419.8733707445.

The spelling of 74021008 in words is "seventy-four million, twenty-one thousand, eight".