68147244 has 60 divisors (see below), whose sum is σ = 194356008. Its totient is φ = 20649600.

The previous prime is 68147231. The next prime is 68147251. The reversal of 68147244 is 44274186.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 68147199 and 68147208.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5997 + ... + 13124.

Almost surely, 2^68147244 is an apocalyptic number.

It is an amenable number.

68147244 is an abundant number, since it is smaller than the sum of its proper divisors (126208764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68147244 is a wasteful number, since it uses less digits than its factorization.

68147244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19148 (or 19137 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 68147244 is about 8255.1344022978. The cubic root of 68147244 is about 408.4599052668.

The spelling of 68147244 in words is "sixty-eight million, one hundred forty-seven thousand, two hundred forty-four".