68355371 has 4 divisors (see below), whose sum is σ = 78120432. Its totient is φ = 58590312.

The previous prime is 68355367. The next prime is 68355409. The reversal of 68355371 is 17355386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68355371 - 2² = 68355367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68355361) 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, 4882520 + ... + 4882533.

It is an arithmetic number, because the mean of its divisors is an integer number (19530108).

Almost surely, 2^68355371 is an apocalyptic number.

68355371 is a deficient number, since it is larger than the sum of its proper divisors (9765061).

68355371 is an equidigital number, since it uses as much as digits as its factorization.

68355371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765060.

The product of its digits is 75600, while the sum is 38.

The square root of 68355371 is about 8267.7307043711. The cubic root of 68355371 is about 408.8753054713.

The spelling of 68355371 in words is "sixty-eight million, three hundred fifty-five thousand, three hundred seventy-one".