74020768 has 24 divisors (see below), whose sum is σ = 146208132. Its totient is φ = 36888576.

The previous prime is 74020753. The next prime is 74020769. The reversal of 74020768 is 86702047.

It can be written as a sum of positive squares in 2 ways, for example, as 65092624 + 8928144 = 8068^2 + 2988^2 .

It is not an unprimeable number, because it can be changed into a prime (74020769) 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, 6496 + ... + 13792.

Almost surely, 2^74020768 is an apocalyptic number.

It is an amenable number.

74020768 is a deficient number, since it is larger than the sum of its proper divisors (72187364).

74020768 is a wasteful number, since it uses less digits than its factorization.

74020768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624 (or 7616 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 74020768 is about 8603.5322978414. The cubic root of 74020768 is about 419.8729169556.

The spelling of 74020768 in words is "seventy-four million, twenty thousand, seven hundred sixty-eight".