63750994 has 4 divisors (see below), whose sum is σ = 95626494. Its totient is φ = 31875496.

The previous prime is 63750979. The next prime is 63751013. The reversal of 63750994 is 49905736.

63750994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 62964225 + 786769 = 7935^2 + 887^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63750994.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15937747 + ... + 15937750.

Almost surely, 2^63750994 is an apocalyptic number.

63750994 is a deficient number, since it is larger than the sum of its proper divisors (31875500).

63750994 is a wasteful number, since it uses less digits than its factorization.

63750994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31875499.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 63750994 is about 7984.4219577876. The cubic root of 63750994 is about 399.4805632557.

The spelling of 63750994 in words is "sixty-three million, seven hundred fifty thousand, nine hundred ninety-four".