68290789 has 32 divisors (see below), whose sum is σ = 84268800. Its totient is φ = 54120960.

The previous prime is 68290771. The next prime is 68290793. The reversal of 68290789 is 98709286.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68290789 - 2⁷ = 68290661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68290709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626467 + ... + 626575.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^68290789 is an apocalyptic number.

It is an amenable number.

68290789 is a deficient number, since it is larger than the sum of its proper divisors (15978011).

68290789 is a wasteful number, since it uses less digits than its factorization.

68290789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 68290789 is about 8263.8241147788. The cubic root of 68290789 is about 408.7464967420.

The spelling of 68290789 in words is "sixty-eight million, two hundred ninety thousand, seven hundred eighty-nine".