68675742 has 32 divisors (see below), whose sum is σ = 155865600. Its totient is φ = 22404024.

The previous prime is 68675731. The next prime is 68675743. The reversal of 68675742 is 24757686.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68675743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10992 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (4870800).

Almost surely, 2^68675742 is an apocalyptic number.

68675742 is an abundant number, since it is smaller than the sum of its proper divisors (87189858).

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

68675742 is a wasteful number, since it uses less digits than its factorization.

68675742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27117 (or 27111 counting only the distinct ones).

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

The square root of 68675742 is about 8287.0828401796. The cubic root of 68675742 is about 409.5130884464.

The spelling of 68675742 in words is "sixty-eight million, six hundred seventy-five thousand, seven hundred forty-two".