74549683260 has 672 divisors, whose sum is σ = 269824450560. Its totient is φ = 17142160896.

The previous prime is 74549683217. The next prime is 74549683267. The reversal of 74549683260 is 6238694547.

74549683260 is a `hidden beast` number, since 7 + 4 + 549 + 6 + 8 + 32 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 74549683197 and 74549683206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74549683267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 457359939 + ... + 457360101.

It is an arithmetic number, because the mean of its divisors is an integer number (401524480).

Almost surely, 2^74549683260 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 74549683260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134912225280).

74549683260 is an abundant number, since it is smaller than the sum of its proper divisors (195274767300).

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

74549683260 is a wasteful number, since it uses less digits than its factorization.

74549683260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 74549683260 in words is "seventy-four billion, five hundred forty-nine million, six hundred eighty-three thousand, two hundred sixty".