74320280244 has 60 divisors (see below), whose sum is σ = 222043313184. Its totient is φ = 21234365136.

The previous prime is 74320280233. The next prime is 74320280249. The reversal of 74320280244 is 44208202347.

74320280244 is a `hidden beast` number, since 74 + 320 + 28 + 0 + 244 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 74320280199 and 74320280208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74320280249) 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, 16382274 + ... + 16386809.

Almost surely, 2^74320280244 is an apocalyptic number.

It is an amenable number.

74320280244 is an abundant number, since it is smaller than the sum of its proper divisors (147723032940).

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

74320280244 is a wasteful number, since it uses less digits than its factorization.

74320280244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32769106 (or 32769095 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 74320280244 in words is "seventy-four billion, three hundred twenty million, two hundred eighty thousand, two hundred forty-four".