68528361 has 8 divisors (see below), whose sum is σ = 99677664. Its totient is φ = 41532320.

The previous prime is 68528357. The next prime is 68528371. The reversal of 68528361 is 16382586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68528361 - 2² = 68528357 is a prime.

It is a super-2 number, since 2×68528361² = 9392272522692642, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68528351) 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, 1038276 + ... + 1038341.

It is an arithmetic number, because the mean of its divisors is an integer number (12459708).

Almost surely, 2^68528361 is an apocalyptic number.

It is an amenable number.

68528361 is a deficient number, since it is larger than the sum of its proper divisors (31149303).

68528361 is a wasteful number, since it uses less digits than its factorization.

68528361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076631.

The product of its digits is 69120, while the sum is 39.

The square root of 68528361 is about 8278.1858519847. The cubic root of 68528361 is about 409.2199345968.

The spelling of 68528361 in words is "sixty-eight million, five hundred twenty-eight thousand, three hundred sixty-one".