68939235 has 32 divisors (see below), whose sum is σ = 126792000. Its totient is φ = 35497728.

The previous prime is 68939207. The next prime is 68939279. The reversal of 68939235 is 53293986.

It is not a de Polignac number, because 68939235 - 2⁷ = 68939107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4890 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (3962250).

Almost surely, 2^68939235 is an apocalyptic number.

68939235 is a deficient number, since it is larger than the sum of its proper divisors (57852765).

68939235 is a wasteful number, since it uses less digits than its factorization.

68939235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17652 (or 17646 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 68939235 is about 8302.9654341085. The cubic root of 68939235 is about 410.0361558438.

The spelling of 68939235 in words is "sixty-eight million, nine hundred thirty-nine thousand, two hundred thirty-five".