74144808 has 80 divisors (see below), whose sum is σ = 214431360. Its totient is φ = 23911200.

The previous prime is 74144797. The next prime is 74144809. The reversal of 74144808 is 80844147.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74144809) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18243 + ... + 21933.

It is an arithmetic number, because the mean of its divisors is an integer number (2680392).

Almost surely, 2^74144808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74144808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107215680).

74144808 is an abundant number, since it is smaller than the sum of its proper divisors (140286552).

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

74144808 is a wasteful number, since it uses less digits than its factorization.

74144808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 74144808 is about 8610.7379474700. The cubic root of 74144808 is about 420.1073195139.

The spelling of 74144808 in words is "seventy-four million, one hundred forty-four thousand, eight hundred eight".