68473770 has 16 divisors (see below), whose sum is σ = 164337120. Its totient is φ = 18259664.

The previous prime is 68473751. The next prime is 68473871. The reversal of 68473770 is 7737486.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 1141200 + ... + 1141259.

It is an arithmetic number, because the mean of its divisors is an integer number (10271070).

Almost surely, 2^68473770 is an apocalyptic number.

68473770 is an abundant number, since it is smaller than the sum of its proper divisors (95863350).

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

68473770 is a wasteful number, since it uses less digits than its factorization.

68473770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282469.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 68473770 is about 8274.8879146488. The cubic root of 68473770 is about 409.1112415932. Note that the first 3 decimals are identical.

The spelling of 68473770 in words is "sixty-eight million, four hundred seventy-three thousand, seven hundred seventy".