68298770 has 16 divisors (see below), whose sum is σ = 127177560. Its totient is φ = 26377344.

The previous prime is 68298761. The next prime is 68298803. The reversal of 68298770 is 7789286.

It can be written as a sum of positive squares in 4 ways, for example, as 60949249 + 7349521 = 7807^2 + 2711^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117467 + ... + 118046.

Almost surely, 2^68298770 is an apocalyptic number.

68298770 is a deficient number, since it is larger than the sum of its proper divisors (58878790).

68298770 is a wasteful number, since it uses less digits than its factorization.

68298770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235549.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 68298770 is about 8264.3069884897. The cubic root of 68298770 is about 408.7624192344.

The spelling of 68298770 in words is "sixty-eight million, two hundred ninety-eight thousand, seven hundred seventy".