68855070 has 16 divisors (see below), whose sum is σ = 165252240. Its totient is φ = 18361344.

The previous prime is 68855063. The next prime is 68855071. The reversal of 68855070 is 7055886.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68855071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147555 + ... + 1147614.

It is an arithmetic number, because the mean of its divisors is an integer number (10328265).

Almost surely, 2^68855070 is an apocalyptic number.

68855070 is an abundant number, since it is smaller than the sum of its proper divisors (96397170).

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

68855070 is a wasteful number, since it uses less digits than its factorization.

68855070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295179.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 68855070 is about 8297.8955163342. The cubic root of 68855070 is about 409.8692226173.

The spelling of 68855070 in words is "sixty-eight million, eight hundred fifty-five thousand, seventy".