68380370 has 8 divisors (see below), whose sum is σ = 123084684. Its totient is φ = 27352144.

The previous prime is 68380349. The next prime is 68380379. The reversal of 68380370 is 7308386.

It can be written as a sum of positive squares in 2 ways, for example, as 62615569 + 5764801 = 7913^2 + 2401^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68380370.

It is not an unprimeable number, because it can be changed into a prime (68380379) 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, 3419009 + ... + 3419028.

Almost surely, 2^68380370 is an apocalyptic number.

68380370 is a deficient number, since it is larger than the sum of its proper divisors (54704314).

68380370 is a wasteful number, since it uses less digits than its factorization.

68380370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838044.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 68380370 is about 8269.2424078630. The cubic root of 68380370 is about 408.9251441687.

The spelling of 68380370 in words is "sixty-eight million, three hundred eighty thousand, three hundred seventy".