68714381 has 4 divisors (see below), whose sum is σ = 68957472. Its totient is φ = 68471292.

The previous prime is 68714377. The next prime is 68714407. The reversal of 68714381 is 18341786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68714381 - 2² = 68714377 is a prime.

It is a super-3 number, since 3×68714381³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68716381) 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, 121121 + ... + 121686.

It is an arithmetic number, because the mean of its divisors is an integer number (17239368).

Almost surely, 2^68714381 is an apocalyptic number.

It is an amenable number.

68714381 is a deficient number, since it is larger than the sum of its proper divisors (243091).

68714381 is a wasteful number, since it uses less digits than its factorization.

68714381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243090.

The product of its digits is 32256, while the sum is 38.

The square root of 68714381 is about 8289.4137910952. The cubic root of 68714381 is about 409.5898754319.

The spelling of 68714381 in words is "sixty-eight million, seven hundred fourteen thousand, three hundred eighty-one".