68533405 has 8 divisors (see below), whose sum is σ = 84893184. Its totient is φ = 53058000.

The previous prime is 68533403. The next prime is 68533417. The reversal of 68533405 is 50433586.

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

It is not a de Polignac number, because 68533405 - 2¹ = 68533403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68533403) 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, 220921 + ... + 221230.

It is an arithmetic number, because the mean of its divisors is an integer number (10611648).

Almost surely, 2^68533405 is an apocalyptic number.

It is an amenable number.

68533405 is a deficient number, since it is larger than the sum of its proper divisors (16359779).

68533405 is a wasteful number, since it uses less digits than its factorization.

68533405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442187.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 68533405 is about 8278.4905025010. The cubic root of 68533405 is about 409.2299745018.

The spelling of 68533405 in words is "sixty-eight million, five hundred thirty-three thousand, four hundred five".