63474065 has 4 divisors (see below), whose sum is σ = 76168884. Its totient is φ = 50779248.

The previous prime is 63474031. The next prime is 63474067. The reversal of 63474065 is 56047436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38142976 + 25331089 = 6176^2 + 5033^2 .

It is a cyclic number.

It is not a de Polignac number, because 63474065 - 2¹⁰ = 63473041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63474067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6347402 + ... + 6347411.

It is an arithmetic number, because the mean of its divisors is an integer number (19042221).

Almost surely, 2^63474065 is an apocalyptic number.

It is an amenable number.

63474065 is a deficient number, since it is larger than the sum of its proper divisors (12694819).

63474065 is a wasteful number, since it uses less digits than its factorization.

63474065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694818.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 63474065 is about 7967.0612524318. The cubic root of 63474065 is about 398.9012869205.

The spelling of 63474065 in words is "sixty-three million, four hundred seventy-four thousand, sixty-five".