68913830 has 8 divisors (see below), whose sum is σ = 124044912. Its totient is φ = 27565528.

The previous prime is 68913827. The next prime is 68913847. The reversal of 68913830 is 3831986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3445682 + ... + 3445701.

It is an arithmetic number, because the mean of its divisors is an integer number (15505614).

Almost surely, 2^68913830 is an apocalyptic number.

68913830 is a deficient number, since it is larger than the sum of its proper divisors (55131082).

68913830 is a wasteful number, since it uses less digits than its factorization.

68913830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891390.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 68913830 is about 8301.4354180467. The cubic root of 68913830 is about 409.9857817794.

The spelling of 68913830 in words is "sixty-eight million, nine hundred thirteen thousand, eight hundred thirty".