68485573 has 4 divisors (see below), whose sum is σ = 73753708. Its totient is φ = 63217440.

The previous prime is 68485561. The next prime is 68485577. The reversal of 68485573 is 37558486.

It is the 3379-th star number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 24621444 + 43864129 = 4962^2 + 6623^2 .

It is a de Polignac number, because none of the positive numbers 2^k-68485573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68485577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634048 + ... + 2634073.

It is an arithmetic number, because the mean of its divisors is an integer number (18438427).

Almost surely, 2^68485573 is an apocalyptic number.

It is an amenable number.

68485573 is a deficient number, since it is larger than the sum of its proper divisors (5268135).

68485573 is a wasteful number, since it uses less digits than its factorization.

68485573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268134.

The product of its digits is 806400, while the sum is 46.

The square root of 68485573 is about 8275.6010657837. The cubic root of 68485573 is about 409.1347467620.

It can be divided in two parts, 6848 and 5573, that added together give a palindrome (12421).

The spelling of 68485573 in words is "sixty-eight million, four hundred eighty-five thousand, five hundred seventy-three".