68808542 has 16 divisors (see below), whose sum is σ = 112724352. Its totient is φ = 31240920.

The previous prime is 68808541. The next prime is 68808563. The reversal of 68808542 is 24580886.

It is a self number, because there is not a number n which added to its sum of digits gives 68808542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68808541) 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, 32933 + ... + 34959.

It is an arithmetic number, because the mean of its divisors is an integer number (7045272).

Almost surely, 2^68808542 is an apocalyptic number.

68808542 is a deficient number, since it is larger than the sum of its proper divisors (43915810).

68808542 is a wasteful number, since it uses less digits than its factorization.

68808542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 68808542 is about 8295.0914401229. The cubic root of 68808542 is about 409.7768803863.

The spelling of 68808542 in words is "sixty-eight million, eight hundred eight thousand, five hundred forty-two".