68619 has 8 divisors (see below), whose sum is σ = 92880. Its totient is φ = 45056.

The previous prime is 68611. The next prime is 68633. The reversal of 68619 is 91686.

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

It is a 12-Lehmer number, since φ(68619) divides (68619-1)¹².

It is a cyclic number.

It is not a de Polignac number, because 68619 - 2³ = 68611 is a prime.

It is a super-2 number, since 2×68619² = 9417134322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68611) 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, 139 + ... + 395.

It is an arithmetic number, because the mean of its divisors is an integer number (11610).

2⁶⁸⁶¹⁹ is an apocalyptic number.

68619 is a deficient number, since it is larger than the sum of its proper divisors (24261).

68619 is a wasteful number, since it uses less digits than its factorization.

68619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its digits is 2592, while the sum is 30.

The square root of 68619 is about 261.9522857316. The cubic root of 68619 is about 40.9400273288.

The spelling of 68619 in words is "sixty-eight thousand, six hundred nineteen".