68367838 has 24 divisors (see below), whose sum is σ = 130141944. Its totient is φ = 26636400.

The previous prime is 68367821. The next prime is 68367839. The reversal of 68367838 is 83876386.

It is a happy number.

It is a super-2 number, since 2×68367838² = 9348322545588488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 68367791 and 68367800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68367839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30633 + ... + 32788.

It is an arithmetic number, because the mean of its divisors is an integer number (5422581).

Almost surely, 2^68367838 is an apocalyptic number.

68367838 is a deficient number, since it is larger than the sum of its proper divisors (61774106).

68367838 is a wasteful number, since it uses less digits than its factorization.

68367838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63448 (or 63441 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 68367838 is about 8268.4846253712. The cubic root of 68367838 is about 408.9001615458.

The spelling of 68367838 in words is "sixty-eight million, three hundred sixty-seven thousand, eight hundred thirty-eight".