73466476209 has 27 divisors (see below), whose sum is σ = 123453235737. Its totient is φ = 41977590984.

The previous prime is 73466476201. The next prime is 73466476277. The reversal of 73466476209 is 90267466437.

The square root of 73466476209 is 271047.

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

73466476209 is a `hidden beast` number, since 7 + 3 + 4 + 6 + 6 + 4 + 7 + 620 + 9 = 666.

It is not a de Polignac number, because 73466476209 - 2³ = 73466476201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73466476201) 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 26 ways as a sum of consecutive naturals, for example, 5685534 + ... + 5698440.

Almost surely, 2^73466476209 is an apocalyptic number.

73466476209 is the 271047-th square number.

73466476209 is the 135524-th centered octagonal number.

It is an amenable number.

73466476209 is a deficient number, since it is larger than the sum of its proper divisors (49986759528).

73466476209 is an frugal number, since it uses more digits than its factorization.

73466476209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25834 (or 12917 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 73466476209 in words is "seventy-three billion, four hundred sixty-six million, four hundred seventy-six thousand, two hundred nine".