68315746 has 16 divisors (see below), whose sum is σ = 105778080. Its totient is φ = 33073920.

The previous prime is 68315729. The next prime is 68315747. The reversal of 68315746 is 64751386.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68315699 and 68315708.

It is not an unprimeable number, because it can be changed into a prime (68315747) 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, 3586 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (6611130).

Almost surely, 2^68315746 is an apocalyptic number.

68315746 is a deficient number, since it is larger than the sum of its proper divisors (37462334).

68315746 is a wasteful number, since it uses less digits than its factorization.

68315746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769.

The product of its digits is 120960, while the sum is 40.

The square root of 68315746 is about 8265.3339920417. Note that the first 3 decimals coincide. The cubic root of 68315746 is about 408.7962830751.

The spelling of 68315746 in words is "sixty-eight million, three hundred fifteen thousand, seven hundred forty-six".