68810364 has 48 divisors (see below), whose sum is σ = 203884800. Its totient is φ = 19659888.

The previous prime is 68810353. The next prime is 68810369. The reversal of 68810364 is 46301886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68810369) 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, 44754 + ... + 46265.

It is an arithmetic number, because the mean of its divisors is an integer number (4247600).

Almost surely, 2^68810364 is an apocalyptic number.

It is an amenable number.

68810364 is an abundant number, since it is smaller than the sum of its proper divisors (135074436).

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

68810364 is a wasteful number, since it uses less digits than its factorization.

68810364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91039 (or 91031 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 68810364 is about 8295.2012633811. The cubic root of 68810364 is about 409.7804972187.

The spelling of 68810364 in words is "sixty-eight million, eight hundred ten thousand, three hundred sixty-four".