68678310 has 32 divisors (see below), whose sum is σ = 168664320. Its totient is φ = 17887968.

The previous prime is 68678279. The next prime is 68678329. The reversal of 68678310 is 1387686.

It is a super-2 number, since 2×68678310² = 9433420528912200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25330 + ... + 27909.

It is an arithmetic number, because the mean of its divisors is an integer number (5270760).

Almost surely, 2^68678310 is an apocalyptic number.

68678310 is an abundant number, since it is smaller than the sum of its proper divisors (99986010).

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

68678310 is a wasteful number, since it uses less digits than its factorization.

68678310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53292.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 68678310 is about 8287.2377786570. The cubic root of 68678310 is about 409.5181927063.

The spelling of 68678310 in words is "sixty-eight million, six hundred seventy-eight thousand, three hundred ten".