68650939 has 8 divisors (see below), whose sum is σ = 78870528. Its totient is φ = 58534440.

The previous prime is 68650927. The next prime is 68650961. The reversal of 68650939 is 93905686.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68650939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68650969) 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, 24337 + ... + 27010.

It is an arithmetic number, because the mean of its divisors is an integer number (9858816).

Almost surely, 2^68650939 is an apocalyptic number.

68650939 is a deficient number, since it is larger than the sum of its proper divisors (10219589).

68650939 is a wasteful number, since it uses less digits than its factorization.

68650939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51545.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 68650939 is about 8285.5862194536. The cubic root of 68650939 is about 409.4637824573.

The spelling of 68650939 in words is "sixty-eight million, six hundred fifty thousand, nine hundred thirty-nine".