68236744 has 16 divisors (see below), whose sum is σ = 128033100. Its totient is φ = 34094592.

The previous prime is 68236741. The next prime is 68236747. The reversal of 68236744 is 44763286.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68236741) and next prime (68236747).

It can be written as a sum of positive squares in 2 ways, for example, as 67864644 + 372100 = 8238^2 + 610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68236697 and 68236706.

It is not an unprimeable number, because it can be changed into a prime (68236741) 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, 17572 + ... + 21100.

Almost surely, 2^68236744 is an apocalyptic number.

It is an amenable number.

68236744 is a deficient number, since it is larger than the sum of its proper divisors (59796356).

68236744 is a wasteful number, since it uses less digits than its factorization.

68236744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952 (or 5948 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 68236744 is about 8260.5534923515. The cubic root of 68236744 is about 408.6386416183.

The spelling of 68236744 in words is "sixty-eight million, two hundred thirty-six thousand, seven hundred forty-four".