68697285 has 16 divisors (see below), whose sum is σ = 111719040. Its totient is φ = 36037440.

The previous prime is 68697269. The next prime is 68697301. The reversal of 68697285 is 58279686.

It is an interprime number because it is at equal distance from previous prime (68697269) and next prime (68697301).

It is not a de Polignac number, because 68697285 - 2⁴ = 68697269 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 36625 + ... + 38454.

It is an arithmetic number, because the mean of its divisors is an integer number (6982440).

Almost surely, 2^68697285 is an apocalyptic number.

It is an amenable number.

68697285 is a deficient number, since it is larger than the sum of its proper divisors (43021755).

68697285 is a wasteful number, since it uses less digits than its factorization.

68697285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75148.

The product of its digits is 1451520, while the sum is 51.

The square root of 68697285 is about 8288.3825321953. The cubic root of 68697285 is about 409.5559042350. Note that the first 3 decimals are identical.

The spelling of 68697285 in words is "sixty-eight million, six hundred ninety-seven thousand, two hundred eighty-five".