63474455 has 16 divisors (see below), whose sum is σ = 83251584. Its totient is φ = 46075680.

The previous prime is 63474451. The next prime is 63474461. The reversal of 63474455 is 55447436.

It is a happy number.

63474455 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 63474455 - 2² = 63474451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63474451) 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, 47912 + ... + 49218.

It is an arithmetic number, because the mean of its divisors is an integer number (5203224).

Almost surely, 2^63474455 is an apocalyptic number.

63474455 is a deficient number, since it is larger than the sum of its proper divisors (19777129).

63474455 is a wasteful number, since it uses less digits than its factorization.

63474455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206.

The product of its digits is 201600, while the sum is 38.

The square root of 63474455 is about 7967.0857281694. The cubic root of 63474455 is about 398.9021039008.

The spelling of 63474455 in words is "sixty-three million, four hundred seventy-four thousand, four hundred fifty-five".