74375808 has 128 divisors (see below), whose sum is σ = 217969920. Its totient is φ = 22327296.

The previous prime is 74375803. The next prime is 74375843. The reversal of 74375808 is 80857347.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 74375808.

It is not an unprimeable number, because it can be changed into a prime (74375803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 234466 + ... + 234782.

It is an arithmetic number, because the mean of its divisors is an integer number (1702890).

Almost surely, 2^74375808 is an apocalyptic number.

74375808 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74375808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108984960).

74375808 is an abundant number, since it is smaller than the sum of its proper divisors (143594112).

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

74375808 is a wasteful number, since it uses less digits than its factorization.

74375808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 74375808 is about 8624.1410007026. The cubic root of 74375808 is about 420.5431521576.

The spelling of 74375808 in words is "seventy-four million, three hundred seventy-five thousand, eight hundred eight".