63706434 has 16 divisors (see below), whose sum is σ = 138996000. Its totient is φ = 19304960.

The previous prime is 63706403. The next prime is 63706439. The reversal of 63706434 is 43460736.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63706395 and 63706404.

It is not an unprimeable number, because it can be changed into a prime (63706439) 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 7 ways as a sum of consecutive naturals, for example, 482559 + ... + 482690.

It is an arithmetic number, because the mean of its divisors is an integer number (8687250).

Almost surely, 2^63706434 is an apocalyptic number.

63706434 is an abundant number, since it is smaller than the sum of its proper divisors (75289566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63706434 is a wasteful number, since it uses less digits than its factorization.

63706434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965265.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 63706434 is about 7981.6310363233. The cubic root of 63706434 is about 399.3874666527.

The spelling of 63706434 in words is "sixty-three million, seven hundred six thousand, four hundred thirty-four".