74652993529 has 9 divisors (see below), whose sum is σ = 75084705903. Its totient is φ = 74223753912.

The previous prime is 74652993509. The next prime is 74652993533. The reversal of 74652993529 is 92539925647.

The square root of 74652993529 is 273227.

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., 73785573225 + 867420304 = 271635^2 + 29452^2 .

It is not a de Polignac number, because 74652993529 - 2⁵ = 74652993497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74652993509) 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 8 ways as a sum of consecutive naturals, for example, 54371487 + ... + 54372859.

Almost surely, 2^74652993529 is an apocalyptic number.

74652993529 is the 273227-th square number.

74652993529 is the 136614-th centered octagonal number.

It is an amenable number.

74652993529 is a deficient number, since it is larger than the sum of its proper divisors (431712374).

74652993529 is an frugal number, since it uses more digits than its factorization.

74652993529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144 (or 1572 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 61.

The spelling of 74652993529 in words is "seventy-four billion, six hundred fifty-two million, nine hundred ninety-three thousand, five hundred twenty-nine".