68225574 has 16 divisors (see below), whose sum is σ = 141156720. Its totient is φ = 21957600.

The previous prime is 68225557. The next prime is 68225579. The reversal of 68225574 is 47552286.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68225579) 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, 195877 + ... + 196224.

It is an arithmetic number, because the mean of its divisors is an integer number (8822295).

Almost surely, 2^68225574 is an apocalyptic number.

68225574 is an abundant number, since it is smaller than the sum of its proper divisors (72931146).

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

68225574 is a wasteful number, since it uses less digits than its factorization.

68225574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392135.

The product of its digits is 134400, while the sum is 39.

The square root of 68225574 is about 8259.8773598644. The cubic root of 68225574 is about 408.6163430617.

The spelling of 68225574 in words is "sixty-eight million, two hundred twenty-five thousand, five hundred seventy-four".