63771434 has 8 divisors (see below), whose sum is σ = 95702880. Its totient is φ = 31870476.

The previous prime is 63771427. The next prime is 63771439. The reversal of 63771434 is 43417736.

63771434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63771394 and 63771403.

It is not an unprimeable number, because it can be changed into a prime (63771439) 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 3 ways as a sum of consecutive naturals, for example, 1364 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (11962860).

Almost surely, 2^63771434 is an apocalyptic number.

63771434 is a deficient number, since it is larger than the sum of its proper divisors (31931446).

63771434 is a wasteful number, since it uses less digits than its factorization.

63771434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244.

The product of its digits is 42336, while the sum is 35.

The square root of 63771434 is about 7985.7018476775. The cubic root of 63771434 is about 399.5232528394.

The spelling of 63771434 in words is "sixty-three million, seven hundred seventy-one thousand, four hundred thirty-four".