68630137 has 8 divisors (see below), whose sum is σ = 71697600. Its totient is φ = 65569680.

The previous prime is 68630131. The next prime is 68630141. The reversal of 68630137 is 73103686.

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

It is a cyclic number.

It is not a de Polignac number, because 68630137 - 2³ = 68630129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68630131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34239 + ... + 36187.

It is an arithmetic number, because the mean of its divisors is an integer number (8962200).

Almost surely, 2^68630137 is an apocalyptic number.

It is an amenable number.

68630137 is a deficient number, since it is larger than the sum of its proper divisors (3067463).

68630137 is a wasteful number, since it uses less digits than its factorization.

68630137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 68630137 is about 8284.3308118399. The cubic root of 68630137 is about 409.4224209154.

The spelling of 68630137 in words is "sixty-eight million, six hundred thirty thousand, one hundred thirty-seven".