68782542 has 16 divisors (see below), whose sum is σ = 140764800. Its totient is φ = 22394232.

The previous prime is 68782541. The next prime is 68782547. The reversal of 68782542 is 24528786.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68782494 and 68782503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68782541) 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, 133042 + ... + 133557.

It is an arithmetic number, because the mean of its divisors is an integer number (8797800).

Almost surely, 2^68782542 is an apocalyptic number.

68782542 is an abundant number, since it is smaller than the sum of its proper divisors (71982258).

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

68782542 is a wasteful number, since it uses less digits than its factorization.

68782542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266647.

The product of its digits is 215040, while the sum is 42.

The square root of 68782542 is about 8293.5241001639. The cubic root of 68782542 is about 409.7252611115.

The spelling of 68782542 in words is "sixty-eight million, seven hundred eighty-two thousand, five hundred forty-two".