74699449344 has 495 divisors, whose sum is σ = 244900273563. Its totient is φ = 22669590528.

The previous prime is 74699449337. The next prime is 74699449379. The reversal of 74699449344 is 44394499647.

The square root of 74699449344 is 273312.

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

74699449344 is a `hidden beast` number, since 7 + 469 + 9 + 44 + 93 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7514809344 + 67184640000 = 86688^2 + 259200^2 .

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, 1023280092 + ... + 1023280164.

Almost surely, 2^74699449344 is an apocalyptic number.

74699449344 is the 273312-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74699449344

74699449344 is an abundant number, since it is smaller than the sum of its proper divisors (170200824219).

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

74699449344 is an equidigital number, since it uses as much as digits as its factorization.

74699449344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 91 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 63.

The spelling of 74699449344 in words is "seventy-four billion, six hundred ninety-nine million, four hundred forty-nine thousand, three hundred forty-four".