63720942 has 8 divisors (see below), whose sum is σ = 127441896. Its totient is φ = 21240312.

The previous prime is 63720931. The next prime is 63720959. The reversal of 63720942 is 24902736.

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

63720942 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5310073 + ... + 5310084.

It is an arithmetic number, because the mean of its divisors is an integer number (15930237).

Almost surely, 2^63720942 is an apocalyptic number.

63720942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63720942 is a wasteful number, since it uses less digits than its factorization.

63720942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10620162.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 63720942 is about 7982.5398213852. The cubic root of 63720942 is about 399.4177821337.

The spelling of 63720942 in words is "sixty-three million, seven hundred twenty thousand, nine hundred forty-two".