68201939 has 8 divisors (see below), whose sum is σ = 75981360. Its totient is φ = 60784416.

The previous prime is 68201927. The next prime is 68201951. The reversal of 68201939 is 93910286.

It is an interprime number because it is at equal distance from previous prime (68201927) and next prime (68201951).

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 68201939 - 2¹⁶ = 68136403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68201039) 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, 90077 + ... + 90830.

It is an arithmetic number, because the mean of its divisors is an integer number (9497670).

Almost surely, 2^68201939 is an apocalyptic number.

68201939 is a deficient number, since it is larger than the sum of its proper divisors (7779421).

68201939 is a wasteful number, since it uses less digits than its factorization.

68201939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180949.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 68201939 is about 8258.4465246195. The cubic root of 68201939 is about 408.5691527285.

The spelling of 68201939 in words is "sixty-eight million, two hundred one thousand, nine hundred thirty-nine".