73946876982169 has 9 divisors (see below), whose sum is σ = 74447785503133. Its totient is φ = 73449316530112.

The previous prime is 73946876982149. The next prime is 73946876982191. The reversal of 73946876982169 is 96128967864937.

The square root of 73946876982169 is 8599237.

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

It can be written as a sum of positive squares in 4 ways, for example, as 25672006230025 + 48274870752144 = 5066755^2 + 6948012^2 .

It is not a de Polignac number, because 73946876982169 - 2¹⁷ = 73946876851097 is a prime.

It is a super-2 number, since 2×73946876982169² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73946876982109) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1281257457 + ... + 1281315169.

Almost surely, 2^{73946876982169} is an apocalyptic number.

73946876982169 is the 8599237-th square number.

73946876982169 is the 4299619-th centered octagonal number.

It is an amenable number.

73946876982169 is a deficient number, since it is larger than the sum of its proper divisors (500908520964).

73946876982169 is an frugal number, since it uses more digits than its factorization.

73946876982169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115724 (or 57862 counting only the distinct ones).

The product of its digits is 11851370496, while the sum is 85.

The spelling of 73946876982169 in words is "seventy-three trillion, nine hundred forty-six billion, eight hundred seventy-six million, nine hundred eighty-two thousand, one hundred sixty-nine".