68404070 has 32 divisors (see below), whose sum is σ = 146838528. Its totient is φ = 22432608.

The previous prime is 68404067. The next prime is 68404117. The reversal of 68404070 is 7040486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19634 + ... + 22853.

It is an arithmetic number, because the mean of its divisors is an integer number (4588704).

Almost surely, 2^68404070 is an apocalyptic number.

68404070 is an abundant number, since it is smaller than the sum of its proper divisors (78434458).

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

68404070 is a wasteful number, since it uses less digits than its factorization.

68404070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42524.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 68404070 is about 8270.6753049555. The cubic root of 68404070 is about 408.9723819284.

The spelling of 68404070 in words is "sixty-eight million, four hundred four thousand, seventy".