68525790 has 32 divisors (see below), whose sum is σ = 165520800. Its totient is φ = 18155904.

The previous prime is 68525783. The next prime is 68525843. The reversal of 68525790 is 9752586.

It is a Curzon number.

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, 2565 + ... + 11984.

It is an arithmetic number, because the mean of its divisors is an integer number (5172525).

Almost surely, 2^68525790 is an apocalyptic number.

68525790 is an abundant number, since it is smaller than the sum of its proper divisors (96995010).

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

68525790 is a wasteful number, since it uses less digits than its factorization.

68525790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14716.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 68525790 is about 8278.0305628815. The cubic root of 68525790 is about 409.2148169220.

The spelling of 68525790 in words is "sixty-eight million, five hundred twenty-five thousand, seven hundred ninety".