68712053 has 8 divisors (see below), whose sum is σ = 70028568. Its totient is φ = 67405824.

The previous prime is 68712019. The next prime is 68712101. The reversal of 68712053 is 35021786.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2093809 + 66618244 = 1447^2 + 8162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68712053 - 2¹⁰ = 68711029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68712353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11651 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (8753571).

Almost surely, 2^68712053 is an apocalyptic number.

It is an amenable number.

68712053 is a deficient number, since it is larger than the sum of its proper divisors (1316515).

68712053 is a wasteful number, since it uses less digits than its factorization.

68712053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 68712053 is about 8289.2733698437. The cubic root of 68712053 is about 409.5852498306.

The spelling of 68712053 in words is "sixty-eight million, seven hundred twelve thousand, fifty-three".