68244519 has 32 divisors (see below), whose sum is σ = 109163520. Its totient is φ = 37078272.

The previous prime is 68244497. The next prime is 68244529. The reversal of 68244519 is 91544286.

It is not a de Polignac number, because 68244519 - 2⁸ = 68244263 is a prime.

It is a super-2 number, since 2×68244519² = 9314628747082722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68244529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110299 + ... + 110915.

It is an arithmetic number, because the mean of its divisors is an integer number (3411360).

Almost surely, 2^68244519 is an apocalyptic number.

68244519 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

68244519 is a deficient number, since it is larger than the sum of its proper divisors (40919001).

68244519 is a wasteful number, since it uses less digits than its factorization.

68244519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 69120, while the sum is 39.

The square root of 68244519 is about 8261.0240890582. The cubic root of 68244519 is about 408.6541613349.

The spelling of 68244519 in words is "sixty-eight million, two hundred forty-four thousand, five hundred nineteen".