68230669 has 4 divisors (see below), whose sum is σ = 73479196. Its totient is φ = 62982144.

The previous prime is 68230667. The next prime is 68230703. The reversal of 68230669 is 96603286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6812100 + 61418569 = 2610^2 + 7837^2 .

It is a cyclic number.

It is not a de Polignac number, because 68230669 - 2¹ = 68230667 is a prime.

It is a super-2 number, since 2×68230669² = 9310848384375122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68230667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624244 + ... + 2624269.

It is an arithmetic number, because the mean of its divisors is an integer number (18369799).

Almost surely, 2^68230669 is an apocalyptic number.

It is an amenable number.

68230669 is a deficient number, since it is larger than the sum of its proper divisors (5248527).

68230669 is a wasteful number, since it uses less digits than its factorization.

68230669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248526.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 68230669 is about 8260.1857727293. The cubic root of 68230669 is about 408.6265144599.

The spelling of 68230669 in words is "sixty-eight million, two hundred thirty thousand, six hundred sixty-nine".