68505351 has 8 divisors (see below), whose sum is σ = 91402224. Its totient is φ = 45639360.

The previous prime is 68505329. The next prime is 68505361. The reversal of 68505351 is 15350586.

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

It is not a de Polignac number, because 68505351 - 2¹⁴ = 68488967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68505361) 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, 1920 + ... + 11861.

It is an arithmetic number, because the mean of its divisors is an integer number (11425278).

Almost surely, 2^68505351 is an apocalyptic number.

68505351 is a deficient number, since it is larger than the sum of its proper divisors (22896873).

68505351 is a wasteful number, since it uses less digits than its factorization.

68505351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 68505351 is about 8276.7959380427. The cubic root of 68505351 is about 409.1741277481.

The spelling of 68505351 in words is "sixty-eight million, five hundred five thousand, three hundred fifty-one".