68013735 has 32 divisors (see below), whose sum is σ = 111248640. Its totient is φ = 35474688.

The previous prime is 68013731. The next prime is 68013791. The reversal of 68013735 is 53731086.

It is a happy number.

It is not a de Polignac number, because 68013735 - 2² = 68013731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68013696 and 68013705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68013731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195832 + ... + 196178.

It is an arithmetic number, because the mean of its divisors is an integer number (3476520).

Almost surely, 2^68013735 is an apocalyptic number.

68013735 is a deficient number, since it is larger than the sum of its proper divisors (43234905).

68013735 is a wasteful number, since it uses less digits than its factorization.

68013735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 68013735 is about 8247.0440158884. The cubic root of 68013735 is about 408.1929894852.

The spelling of 68013735 in words is "sixty-eight million, thirteen thousand, seven hundred thirty-five".