68250528 has 36 divisors (see below), whose sum is σ = 194088258. Its totient is φ = 22750080.

The previous prime is 68250487. The next prime is 68250571. The reversal of 68250528 is 82505286.

68250528 is a `hidden beast` number, since 6 + 82 + 50 + 528 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66781584 + 1468944 = 8172^2 + 1212^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68250492 and 68250501.

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, 118203 + ... + 118778.

Almost surely, 2^68250528 is an apocalyptic number.

It is an amenable number.

68250528 is an abundant number, since it is smaller than the sum of its proper divisors (125837730).

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

68250528 is a wasteful number, since it uses less digits than its factorization.

68250528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236997 (or 236986 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 68250528 is about 8261.3877768811. The cubic root of 68250528 is about 408.6661551224. Note that the first 3 decimals are identical.

The spelling of 68250528 in words is "sixty-eight million, two hundred fifty thousand, five hundred twenty-eight".