63705942 has 24 divisors (see below), whose sum is σ = 138882744. Its totient is φ = 21104064.

The previous prime is 63705937. The next prime is 63705973. The reversal of 63705942 is 24950736.

63705942 is a `hidden beast` number, since 63 + 7 + 0 + 594 + 2 = 666.

63705942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63705942² = 8116894092214728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63705897 and 63705906.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 7923 + ... + 13790.

It is an arithmetic number, because the mean of its divisors is an integer number (5786781).

Almost surely, 2^63705942 is an apocalyptic number.

63705942 is an abundant number, since it is smaller than the sum of its proper divisors (75176802).

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

63705942 is a wasteful number, since it uses less digits than its factorization.

63705942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21884 (or 21881 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 63705942 is about 7981.6002154956. The cubic root of 63705942 is about 399.3864385036.

The spelling of 63705942 in words is "sixty-three million, seven hundred five thousand, nine hundred forty-two".