68747742 has 24 divisors (see below), whose sum is σ = 170232816. Its totient is φ = 19642176.

The previous prime is 68747741. The next prime is 68747747. The reversal of 68747742 is 24774786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68747741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272683 + ... + 272934.

It is an arithmetic number, because the mean of its divisors is an integer number (7093034).

Almost surely, 2^68747742 is an apocalyptic number.

68747742 is an abundant number, since it is smaller than the sum of its proper divisors (101485074).

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

68747742 is a wasteful number, since it uses less digits than its factorization.

68747742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545632 (or 545629 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 68747742 is about 8291.4258122473. The cubic root of 68747742 is about 409.6561503362.

The spelling of 68747742 in words is "sixty-eight million, seven hundred forty-seven thousand, seven hundred forty-two".