68130522 has 12 divisors (see below), whose sum is σ = 147616170. Its totient is φ = 22710168.

The previous prime is 68130499. The next prime is 68130539. The reversal of 68130522 is 22503186.

68130522 is a `hidden beast` number, since 6 + 8 + 130 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41100921 + 27029601 = 6411^2 + 5199^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1892497 + ... + 1892532.

Almost surely, 2^68130522 is an apocalyptic number.

68130522 is an abundant number, since it is smaller than the sum of its proper divisors (79485648).

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

68130522 is a wasteful number, since it uses less digits than its factorization.

68130522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785037 (or 3785034 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 68130522 is about 8254.1215159458. The cubic root of 68130522 is about 408.4264931781.

It can be divided in two parts, 6 and 8130522, that added together give a triangular number (8130528 = T₄₀₃₂).

The spelling of 68130522 in words is "sixty-eight million, one hundred thirty thousand, five hundred twenty-two".