74794668 has 48 divisors (see below), whose sum is σ = 189124320. Its totient is φ = 23005632.

The previous prime is 74794667. The next prime is 74794691. The reversal of 74794668 is 86649747.

It is a super-2 number, since 2×74794668² = 11188484722460448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74794668.

It is not an unprimeable number, because it can be changed into a prime (74794667) 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 15 ways as a sum of consecutive naturals, for example, 24946 + ... + 27782.

It is an arithmetic number, because the mean of its divisors is an integer number (3940090).

Almost surely, 2^74794668 is an apocalyptic number.

74794668 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 74794668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94562160).

74794668 is an abundant number, since it is smaller than the sum of its proper divisors (114329652).

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

74794668 is a wasteful number, since it uses less digits than its factorization.

74794668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2855 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 74794668 is about 8648.3910642385. The cubic root of 74794668 is about 421.3311282020.

The spelling of 74794668 in words is "seventy-four million, seven hundred ninety-four thousand, six hundred sixty-eight".