68735746 has 4 divisors (see below), whose sum is σ = 103103622. Its totient is φ = 34367872.

The previous prime is 68735717. The next prime is 68735747. The reversal of 68735746 is 64753786.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67322025 + 1413721 = 8205^2 + 1189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68735696 and 68735705.

It is not an unprimeable number, because it can be changed into a prime (68735747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17183935 + ... + 17183938.

Almost surely, 2^68735746 is an apocalyptic number.

68735746 is a deficient number, since it is larger than the sum of its proper divisors (34367876).

68735746 is a wasteful number, since it uses less digits than its factorization.

68735746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34367875.

The product of its digits is 846720, while the sum is 46.

The square root of 68735746 is about 8290.7023827900. The cubic root of 68735746 is about 409.6323215728.

The spelling of 68735746 in words is "sixty-eight million, seven hundred thirty-five thousand, seven hundred forty-six".