74327716827730 has 16 divisors (see below), whose sum is σ = 135017320478040. Its totient is φ = 29458324467072.

The previous prime is 74327716827647. The next prime is 74327716828007. The reversal of 74327716827730 is 3772861772347.

It can be written as a sum of positive squares in 4 ways, for example, as 43380625441609 + 30947091386121 = 6586397^2 + 5563011^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34095281859 + ... + 34095284038.

Almost surely, 2^{74327716827730} is an apocalyptic number.

74327716827730 is a deficient number, since it is larger than the sum of its proper divisors (60689603650310).

74327716827730 is a wasteful number, since it uses less digits than its factorization.

74327716827730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68190566013.

The product of its (nonzero) digits is 116169984, while the sum is 64.

The spelling of 74327716827730 in words is "seventy-four trillion, three hundred twenty-seven billion, seven hundred sixteen million, eight hundred twenty-seven thousand, seven hundred thirty".