68525320 has 16 divisors (see below), whose sum is σ = 154182060. Its totient is φ = 27410112.

The previous prime is 68525299. The next prime is 68525321. The reversal of 68525320 is 2352586.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68525284 + 36 = 8278^2 + 6^2 .

It is a super-2 number, since 2×68525320² = 9391438962204800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68525321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856527 + ... + 856606.

Almost surely, 2^68525320 is an apocalyptic number.

It is an amenable number.

68525320 is an abundant number, since it is smaller than the sum of its proper divisors (85656740).

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

68525320 is a wasteful number, since it uses less digits than its factorization.

68525320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713144 (or 1713140 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 68525320 is about 8278.0021744380. The cubic root of 68525320 is about 409.2138813550.

The spelling of 68525320 in words is "sixty-eight million, five hundred twenty-five thousand, three hundred twenty".