68029090 has 8 divisors (see below), whose sum is σ = 122452380. Its totient is φ = 27211632.

The previous prime is 68029081. The next prime is 68029103. The reversal of 68029090 is 9092086.

It can be written as a sum of positive squares in 2 ways, for example, as 63504961 + 4524129 = 7969^2 + 2127^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3401445 + ... + 3401464.

Almost surely, 2^68029090 is an apocalyptic number.

68029090 is a deficient number, since it is larger than the sum of its proper divisors (54423290).

68029090 is a wasteful number, since it uses less digits than its factorization.

68029090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802916.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 68029090 is about 8247.9749029686. The cubic root of 68029090 is about 408.2237054954.

The spelling of 68029090 in words is "sixty-eight million, twenty-nine thousand, ninety".