63709442 has 4 divisors (see below), whose sum is σ = 95564166. Its totient is φ = 31854720.

The previous prime is 63709417. The next prime is 63709463. The reversal of 63709442 is 24490736.

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

It can be written as a sum of positive squares in only one way, i.e., 59428681 + 4280761 = 7709^2 + 2069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15927359 + ... + 15927362.

Almost surely, 2^63709442 is an apocalyptic number.

63709442 is a deficient number, since it is larger than the sum of its proper divisors (31854724).

63709442 is a wasteful number, since it uses less digits than its factorization.

63709442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31854723.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 63709442 is about 7981.8194667632. The cubic root of 63709442 is about 399.3937524573.

The spelling of 63709442 in words is "sixty-three million, seven hundred nine thousand, four hundred forty-two".