68500736 has 18 divisors (see below), whose sum is σ = 136734402. Its totient is φ = 34250240.

The previous prime is 68500703. The next prime is 68500753. The reversal of 68500736 is 63700586.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39942400 + 28558336 = 6320^2 + 5344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68500696 and 68500705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133535 + ... + 134046.

Almost surely, 2^68500736 is an apocalyptic number.

It is an amenable number.

68500736 is a deficient number, since it is larger than the sum of its proper divisors (68233666).

68500736 is an equidigital number, since it uses as much as digits as its factorization.

68500736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267597 (or 267583 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 68500736 is about 8276.5171418901. The cubic root of 68500736 is about 409.1649392639.

The spelling of 68500736 in words is "sixty-eight million, five hundred thousand, seven hundred thirty-six".