63320045 has 16 divisors (see below), whose sum is σ = 78029568. Its totient is φ = 49304640.

The previous prime is 63320017. The next prime is 63320051. The reversal of 63320045 is 54002336.

It is not a de Polignac number, because 63320045 - 2¹⁸ = 63057901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63320045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48947 + ... + 50223.

It is an arithmetic number, because the mean of its divisors is an integer number (4876848).

Almost surely, 2^63320045 is an apocalyptic number.

It is an amenable number.

63320045 is a deficient number, since it is larger than the sum of its proper divisors (14709523).

63320045 is a wasteful number, since it uses less digits than its factorization.

63320045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 63320045 is about 7957.3893331921. The cubic root of 63320045 is about 398.5783805644.

The spelling of 63320045 in words is "sixty-three million, three hundred twenty thousand, forty-five".