68995519 has 8 divisors (see below), whose sum is σ = 70064960. Its totient is φ = 67931136.

The previous prime is 68995513. The next prime is 68995543. The reversal of 68995519 is 91559986.

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

It is a cyclic number.

It is not a de Polignac number, because 68995519 - 2⁹ = 68995007 is a prime.

It is a super-2 number, since 2×68995519² = 9520763284158722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68995513) 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, 33199 + ... + 35215.

It is an arithmetic number, because the mean of its divisors is an integer number (8758120).

Almost surely, 2^68995519 is an apocalyptic number.

68995519 is a deficient number, since it is larger than the sum of its proper divisors (1069441).

68995519 is a wasteful number, since it uses less digits than its factorization.

68995519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529.

The product of its digits is 874800, while the sum is 52.

The square root of 68995519 is about 8306.3541340350. The cubic root of 68995519 is about 410.1477139776.

The spelling of 68995519 in words is "sixty-eight million, nine hundred ninety-five thousand, five hundred nineteen".