68743782 has 16 divisors (see below), whose sum is σ = 152764080. Its totient is φ = 22914576.

The previous prime is 68743781. The next prime is 68743811. The reversal of 68743782 is 28734786.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68743781) 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, 636463 + ... + 636570.

It is an arithmetic number, because the mean of its divisors is an integer number (9547755).

Almost surely, 2^68743782 is an apocalyptic number.

68743782 is an abundant number, since it is smaller than the sum of its proper divisors (84020298).

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

68743782 is a wasteful number, since it uses less digits than its factorization.

68743782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273044 (or 1273038 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 68743782 is about 8291.1870079018. The cubic root of 68743782 is about 409.6482845288.

The spelling of 68743782 in words is "sixty-eight million, seven hundred forty-three thousand, seven hundred eighty-two".