68380836 has 48 divisors (see below), whose sum is σ = 165211200. Its totient is φ = 21998592.

The previous prime is 68380831. The next prime is 68380841. The reversal of 68380836 is 63808386.

It is an interprime number because it is at equal distance from previous prime (68380831) and next prime (68380841).

It is not an unprimeable number, because it can be changed into a prime (68380831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45180 + ... + 46668.

It is an arithmetic number, because the mean of its divisors is an integer number (3441900).

Almost surely, 2^68380836 is an apocalyptic number.

It is an amenable number.

68380836 is an abundant number, since it is smaller than the sum of its proper divisors (96830364).

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

68380836 is a wasteful number, since it uses less digits than its factorization.

68380836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 68380836 is about 8269.2705845195. The cubic root of 68380836 is about 408.9260730838.

The spelling of 68380836 in words is "sixty-eight million, three hundred eighty thousand, eight hundred thirty-six".