74446344 has 128 divisors (see below), whose sum is σ = 241056000. Its totient is φ = 20846592.

The previous prime is 74446343. The next prime is 74446369. The reversal of 74446344 is 44364447.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 74446299 and 74446308.

It is not an unprimeable number, because it can be changed into a prime (74446343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79672 + ... + 80600.

It is an arithmetic number, because the mean of its divisors is an integer number (1883250).

Almost surely, 2^74446344 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 74446344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120528000).

74446344 is an abundant number, since it is smaller than the sum of its proper divisors (166609656).

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

74446344 is a wasteful number, since it uses less digits than its factorization.

74446344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 994 counting only the distinct ones).

The product of its digits is 129024, while the sum is 36.

The square root of 74446344 is about 8628.2294823446. The cubic root of 74446344 is about 420.6760540611.

The spelling of 74446344 in words is "seventy-four million, four hundred forty-six thousand, three hundred forty-four".