68718620 has 24 divisors (see below), whose sum is σ = 148210944. Its totient is φ = 26744256.

The previous prime is 68718593. The next prime is 68718647. The reversal of 68718620 is 2681786.

It is an interprime number because it is at equal distance from previous prime (68718593) and next prime (68718647).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45692 + ... + 47171.

It is an arithmetic number, because the mean of its divisors is an integer number (6175456).

Almost surely, 2^68718620 is an apocalyptic number.

It is an amenable number.

68718620 is an abundant number, since it is smaller than the sum of its proper divisors (79492324).

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

68718620 is a wasteful number, since it uses less digits than its factorization.

68718620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92909 (or 92907 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 68718620 is about 8289.6694747137. The cubic root of 68718620 is about 409.5982978114.

The spelling of 68718620 in words is "sixty-eight million, seven hundred eighteen thousand, six hundred twenty".