68813706 has 64 divisors (see below), whose sum is σ = 158860800. Its totient is φ = 19694016.

The previous prime is 68813683. The next prime is 68813729. The reversal of 68813706 is 60731886.

It is an interprime number because it is at equal distance from previous prime (68813683) and next prime (68813729).

It is a super-2 number, since 2×68813706² = 9470652266908872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87045 + ... + 87831.

It is an arithmetic number, because the mean of its divisors is an integer number (2482200).

Almost surely, 2^68813706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68813706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79430400).

68813706 is an abundant number, since it is smaller than the sum of its proper divisors (90047094).

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

68813706 is a wasteful number, since it uses less digits than its factorization.

68813706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

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

The square root of 68813706 is about 8295.4027027023. The cubic root of 68813706 is about 409.7871312205.

The spelling of 68813706 in words is "sixty-eight million, eight hundred thirteen thousand, seven hundred six".