63672473 has 2 divisors, whose sum is σ = 63672474. Its totient is φ = 63672472.

The previous prime is 63672409. The next prime is 63672491. The reversal of 63672473 is 37427636.

It is a happy number.

63672473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39337984 + 24334489 = 6272^2 + 4933^2 .

It is a cyclic number.

It is not a de Polignac number, because 63672473 - 2⁶ = 63672409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63672493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31836236 + 31836237.

It is an arithmetic number, because the mean of its divisors is an integer number (31836237).

Almost surely, 2^63672473 is an apocalyptic number.

It is an amenable number.

63672473 is a deficient number, since it is larger than the sum of its proper divisors (1).

63672473 is an equidigital number, since it uses as much as digits as its factorization.

63672473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 38.

The square root of 63672473 is about 7979.5033053443. The cubic root of 63672473 is about 399.3164847659.

The spelling of 63672473 in words is "sixty-three million, six hundred seventy-two thousand, four hundred seventy-three".