68676985 has 8 divisors (see below), whose sum is σ = 88751880. Its totient is φ = 50715264.

The previous prime is 68676973. The next prime is 68676989. The reversal of 68676985 is 58967686.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 251001 + 68425984 = 501^2 + 8272^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 68676985 - 2⁹ = 68676473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68676989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528220 + ... + 528349.

It is an arithmetic number, because the mean of its divisors is an integer number (11093985).

Almost surely, 2^68676985 is an apocalyptic number.

68676985 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68676985 is a deficient number, since it is larger than the sum of its proper divisors (20074895).

68676985 is a wasteful number, since it uses less digits than its factorization.

68676985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056587.

The product of its digits is 4354560, while the sum is 55.

The square root of 68676985 is about 8287.1578360738. The cubic root of 68676985 is about 409.5155590990.

The spelling of 68676985 in words is "sixty-eight million, six hundred seventy-six thousand, nine hundred eighty-five".