68026609 has 8 divisors (see below), whose sum is σ = 79846208. Its totient is φ = 56732400.

The previous prime is 68026579. The next prime is 68026619. The reversal of 68026609 is 90662086.

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 68026609 - 2¹⁵ = 67993841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68026619) 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, 131067 + ... + 131584.

It is an arithmetic number, because the mean of its divisors is an integer number (9980776).

Almost surely, 2^68026609 is an apocalyptic number.

It is an amenable number.

68026609 is a deficient number, since it is larger than the sum of its proper divisors (11819599).

68026609 is a wasteful number, since it uses less digits than its factorization.

68026609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262695.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68026609 is about 8247.8245010427. The cubic root of 68026609 is about 408.2187428374.

It can be divided in two parts, 68026 and 609, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 68026609 in words is "sixty-eight million, twenty-six thousand, six hundred nine".