68525442 has 24 divisors (see below), whose sum is σ = 148627440. Its totient is φ = 22817880.

The previous prime is 68525423. The next prime is 68525477. The reversal of 68525442 is 24452586.

It is a happy number.

68525442 is a `hidden beast` number, since 68 + 52 + 544 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 68525397 and 68525406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27217 + ... + 29627.

It is an arithmetic number, because the mean of its divisors is an integer number (6192810).

Almost surely, 2^68525442 is an apocalyptic number.

68525442 is an abundant number, since it is smaller than the sum of its proper divisors (80101998).

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

68525442 is a wasteful number, since it uses less digits than its factorization.

68525442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998 (or 3995 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 68525442 is about 8278.0095433625. The cubic root of 68525442 is about 409.2141242047.

The spelling of 68525442 in words is "sixty-eight million, five hundred twenty-five thousand, four hundred forty-two".