63478045 has 16 divisors (see below), whose sum is σ = 81430272. Its totient is φ = 47386240.

The previous prime is 63478043. The next prime is 63478073. The reversal of 63478045 is 54087436.

63478045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63478045 - 2¹ = 63478043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63477995 and 63478013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63478043) 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 in 15 ways as a sum of consecutive naturals, for example, 2017 + ... + 11446.

It is an arithmetic number, because the mean of its divisors is an integer number (5089392).

Almost surely, 2^63478045 is an apocalyptic number.

It is an amenable number.

63478045 is a deficient number, since it is larger than the sum of its proper divisors (17952227).

63478045 is a wasteful number, since it uses less digits than its factorization.

63478045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 63478045 is about 7967.3110269400. The cubic root of 63478045 is about 398.9096241520.

The spelling of 63478045 in words is "sixty-three million, four hundred seventy-eight thousand, forty-five".