68937894 has 12 divisors (see below), whose sum is σ = 149365476. Its totient is φ = 22979292.

The previous prime is 68937881. The next prime is 68937899. The reversal of 68937894 is 49873986.

It is a self number, because there is not a number n which added to its sum of digits gives 68937894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68937899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1914924 + ... + 1914959.

It is an arithmetic number, because the mean of its divisors is an integer number (12447123).

Almost surely, 2^68937894 is an apocalyptic number.

68937894 is an abundant number, since it is smaller than the sum of its proper divisors (80427582).

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

68937894 is a wasteful number, since it uses less digits than its factorization.

68937894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829891 (or 3829888 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 68937894 is about 8302.8846794352. The cubic root of 68937894 is about 410.0334971640.

It can be divided in two parts, 689 and 37894, that added together give a palindrome (38583).

The spelling of 68937894 in words is "sixty-eight million, nine hundred thirty-seven thousand, eight hundred ninety-four".