68570906 has 16 divisors (see below), whose sum is σ = 106777440. Its totient is φ = 32986800.

The previous prime is 68570903. The next prime is 68570917. The reversal of 68570906 is 60907586.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68570903) 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, 15881 + ... + 19731.

It is an arithmetic number, because the mean of its divisors is an integer number (6673590).

Almost surely, 2^68570906 is an apocalyptic number.

68570906 is a deficient number, since it is larger than the sum of its proper divisors (38206534).

68570906 is a wasteful number, since it uses less digits than its factorization.

68570906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 68570906 is about 8280.7551588004. The cubic root of 68570906 is about 409.3046034849.

The spelling of 68570906 in words is "sixty-eight million, five hundred seventy thousand, nine hundred six".