74650261284 has 135 divisors (see below), whose sum is σ = 200362050273. Its totient is φ = 24235884288.

The previous prime is 74650261243. The next prime is 74650261381. The reversal of 74650261284 is 48216205647.

The square root of 74650261284 is 273222.

It is a perfect power (a square), and thus also a powerful number.

74650261284 is a `hidden beast` number, since 7 + 4 + 6 + 502 + 61 + 2 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30328222500 + 44322038784 = 174150^2 + 210528^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 211473652 + ... + 211474004.

Almost surely, 2^74650261284 is an apocalyptic number.

74650261284 is the 273222-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74650261284

74650261284 is an abundant number, since it is smaller than the sum of its proper divisors (125711788989).

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

74650261284 is an equidigital number, since it uses as much as digits as its factorization.

74650261284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 74650261284 in words is "seventy-four billion, six hundred fifty million, two hundred sixty-one thousand, two hundred eighty-four".