74773608 has 192 divisors, whose sum is σ = 240932160. Its totient is φ = 19160064.

The previous prime is 74773561. The next prime is 74773609. The reversal of 74773608 is 80637747.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 74773608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74773609) 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 47 ways as a sum of consecutive naturals, for example, 1024260 + ... + 1024332.

It is an arithmetic number, because the mean of its divisors is an integer number (1254855).

Almost surely, 2^74773608 is an apocalyptic number.

74773608 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 74773608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120466080).

74773608 is an abundant number, since it is smaller than the sum of its proper divisors (166158552).

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

74773608 is a wasteful number, since it uses less digits than its factorization.

74773608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 74773608 is about 8647.1734110055. The cubic root of 74773608 is about 421.2915796319.

The spelling of 74773608 in words is "seventy-four million, seven hundred seventy-three thousand, six hundred eight".