74569409476 has 9 divisors (see below), whose sum is σ = 130497422349. Its totient is φ = 37284431664.

The previous prime is 74569409471. The next prime is 74569409489. The reversal of 74569409476 is 67490496547.

The square root of 74569409476 is 273074.

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

It can be written as a sum of positive squares in only one way, i.e., 54695176900 + 19874232576 = 233870^2 + 140976^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74569409471) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 477880 + ... + 614416.

Almost surely, 2^74569409476 is an apocalyptic number.

74569409476 is the 273074-th square number.

It is an amenable number.

74569409476 is a deficient number, since it is larger than the sum of its proper divisors (55928012873).

74569409476 is an frugal number, since it uses more digits than its factorization.

74569409476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273078 (or 136539 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 74569409476 in words is "seventy-four billion, five hundred sixty-nine million, four hundred nine thousand, four hundred seventy-six".