68613037 has 16 divisors (see below), whose sum is σ = 74358000. Its totient is φ = 63078400.

The previous prime is 68613007. The next prime is 68613053. The reversal of 68613037 is 73031686.

It can be written as a sum of positive squares in 8 ways, for example, as 7241481 + 61371556 = 2691^2 + 7834^2 .

It is a cyclic number.

It is not a de Polignac number, because 68613037 - 2²³ = 60224429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68612993 and 68613011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68613007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152589 + ... + 153037.

It is an arithmetic number, because the mean of its divisors is an integer number (4647375).

Almost surely, 2^68613037 is an apocalyptic number.

It is an amenable number.

68613037 is a deficient number, since it is larger than the sum of its proper divisors (5744963).

68613037 is a wasteful number, since it uses less digits than its factorization.

68613037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 68613037 is about 8283.2986786666. The cubic root of 68613037 is about 409.3884139652.

The spelling of 68613037 in words is "sixty-eight million, six hundred thirteen thousand, thirty-seven".