63315673 has 4 divisors (see below), whose sum is σ = 64388880. Its totient is φ = 62242468.

The previous prime is 63315643. The next prime is 63315677. The reversal of 63315673 is 37651336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63315673 - 2¹⁷ = 63184601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63315677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536515 + ... + 536632.

It is an arithmetic number, because the mean of its divisors is an integer number (16097220).

Almost surely, 2^63315673 is an apocalyptic number.

It is an amenable number.

63315673 is a deficient number, since it is larger than the sum of its proper divisors (1073207).

63315673 is a wasteful number, since it uses less digits than its factorization.

63315673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073206.

The product of its digits is 34020, while the sum is 34.

The square root of 63315673 is about 7957.1146152359. The cubic root of 63315673 is about 398.5692069302.

The spelling of 63315673 in words is "sixty-three million, three hundred fifteen thousand, six hundred seventy-three".