68945434 has 16 divisors (see below), whose sum is σ = 105454440. Its totient is φ = 33799680.

The previous prime is 68945423. The next prime is 68945447. The reversal of 68945434 is 43454986.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39753025 + 29192409 = 6305^2 + 5403^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25122 + ... + 27730.

Almost surely, 2^68945434 is an apocalyptic number.

68945434 is a deficient number, since it is larger than the sum of its proper divisors (36509006).

68945434 is a wasteful number, since it uses less digits than its factorization.

68945434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865.

The product of its digits is 414720, while the sum is 43.

The square root of 68945434 is about 8303.3387260788. The cubic root of 68945434 is about 410.0484455941.

The spelling of 68945434 in words is "sixty-eight million, nine hundred forty-five thousand, four hundred thirty-four".