74005344 has 72 divisors (see below), whose sum is σ = 240523920. Its totient is φ = 21143808.

The previous prime is 74005343. The next prime is 74005363. The reversal of 74005344 is 44350047.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74005343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16339 + ... + 20370.

It is an arithmetic number, because the mean of its divisors is an integer number (3340610).

Almost surely, 2^74005344 is an apocalyptic number.

It is an amenable number.

74005344 is an abundant number, since it is smaller than the sum of its proper divisors (166518576).

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

74005344 is a wasteful number, since it uses less digits than its factorization.

74005344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36732 (or 36721 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 74005344 is about 8602.6358751257. The cubic root of 74005344 is about 419.8437514033.

The spelling of 74005344 in words is "seventy-four million, five thousand, three hundred forty-four".