68895442 has 64 divisors (see below), whose sum is σ = 137355264. Its totient is φ = 25122240.

The previous prime is 68895397. The next prime is 68895451. The reversal of 68895442 is 24459886.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 68895392 and 68895401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187543 + ... + 187909.

It is an arithmetic number, because the mean of its divisors is an integer number (2146176).

Almost surely, 2^68895442 is an apocalyptic number.

68895442 is a deficient number, since it is larger than the sum of its proper divisors (68459822).

68895442 is a wasteful number, since it uses less digits than its factorization.

68895442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 552960, while the sum is 46.

The square root of 68895442 is about 8300.3278248513. The cubic root of 68895442 is about 409.9493135834.

Subtracting from 68895442 its reverse (24459886), we obtain a square (44435556 = 6666²).

The spelling of 68895442 in words is "sixty-eight million, eight hundred ninety-five thousand, four hundred forty-two".