63990674 has 8 divisors (see below), whose sum is σ = 104712048. Its totient is φ = 29086660.

The previous prime is 63990643. The next prime is 63990677. The reversal of 63990674 is 47609936.

63990674 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 Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63990677) 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, 1454312 + ... + 1454355.

It is an arithmetic number, because the mean of its divisors is an integer number (13089006).

Almost surely, 2^63990674 is an apocalyptic number.

63990674 is a deficient number, since it is larger than the sum of its proper divisors (40721374).

63990674 is a wasteful number, since it uses less digits than its factorization.

63990674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908680.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 63990674 is about 7999.4171037645. The cubic root of 63990674 is about 399.9805698895.

The spelling of 63990674 in words is "sixty-three million, nine hundred ninety thousand, six hundred seventy-four".