68475762 has 48 divisors (see below), whose sum is σ = 158609880. Its totient is φ = 21275136.

The previous prime is 68475727. The next prime is 68475763. The reversal of 68475762 is 26757486.

It can be written as a sum of positive squares in 4 ways, for example, as 67223601 + 1252161 = 8199^2 + 1119^2 .

It is not an unprimeable number, because it can be changed into a prime (68475763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32328 + ... + 34380.

Almost surely, 2^68475762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68475762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79304940).

68475762 is an abundant number, since it is smaller than the sum of its proper divisors (90134118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68475762 is a wasteful number, since it uses less digits than its factorization.

68475762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2184 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 68475762 is about 8275.0082779415. The cubic root of 68475762 is about 409.1152087653.

The spelling of 68475762 in words is "sixty-eight million, four hundred seventy-five thousand, seven hundred sixty-two".