68607745 has 8 divisors (see below), whose sum is σ = 82373760. Its totient is φ = 54856560.

The previous prime is 68607701. The next prime is 68607751. The reversal of 68607745 is 54770686.

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

It is not a de Polignac number, because 68607745 - 2¹⁵ = 68574977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16266 + ... + 20044.

It is an arithmetic number, because the mean of its divisors is an integer number (10296720).

Almost surely, 2^68607745 is an apocalyptic number.

It is an amenable number.

68607745 is a deficient number, since it is larger than the sum of its proper divisors (13766015).

68607745 is a wasteful number, since it uses less digits than its factorization.

68607745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 68607745 is about 8282.9792345508. The cubic root of 68607745 is about 409.3778885642.

The spelling of 68607745 in words is "sixty-eight million, six hundred seven thousand, seven hundred forty-five".