63366947 has 6 divisors (see below), whose sum is σ = 73712628. Its totient is φ = 54314484.

The previous prime is 63366929. The next prime is 63366991. The reversal of 63366947 is 74966336.

It is not a de Polignac number, because 63366947 - 2¹⁴ = 63350563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63366898 and 63366907.

It is not an unprimeable number, because it can be changed into a prime (63366917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 646553 + ... + 646650.

It is an arithmetic number, because the mean of its divisors is an integer number (12285438).

Almost surely, 2^63366947 is an apocalyptic number.

63366947 is a deficient number, since it is larger than the sum of its proper divisors (10345681).

63366947 is a wasteful number, since it uses less digits than its factorization.

63366947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293217 (or 1293210 counting only the distinct ones).

The product of its digits is 489888, while the sum is 44.

The square root of 63366947 is about 7960.3358597486. The cubic root of 63366947 is about 398.6767670466.

The spelling of 63366947 in words is "sixty-three million, three hundred sixty-six thousand, nine hundred forty-seven".