68907066 has 16 divisors (see below), whose sum is σ = 137913600. Its totient is φ = 22952448.

The previous prime is 68907031. The next prime is 68907067. The reversal of 68907066 is 66070986.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68907067) 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, 7290 + ... + 13818.

It is an arithmetic number, because the mean of its divisors is an integer number (8619600).

Almost surely, 2^68907066 is an apocalyptic number.

68907066 is an abundant number, since it is smaller than the sum of its proper divisors (69006534).

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

68907066 is a wasteful number, since it uses less digits than its factorization.

68907066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 68907066 is about 8301.0280086264. The cubic root of 68907066 is about 409.9723677590.

The spelling of 68907066 in words is "sixty-eight million, nine hundred seven thousand, sixty-six".