68762641 has 2 divisors, whose sum is σ = 68762642. Its totient is φ = 68762640.

The previous prime is 68762623. The next prime is 68762651. The reversal of 68762641 is 14626786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 28313041 = 6360^2 + 5321^2 .

It is a cyclic number.

It is not a de Polignac number, because 68762641 - 2¹³ = 68754449 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68762594 and 68762603.

It is not a weakly prime, because it can be changed into another prime (68762611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34381320 + 34381321.

It is an arithmetic number, because the mean of its divisors is an integer number (34381321).

Almost surely, 2^68762641 is an apocalyptic number.

It is an amenable number.

68762641 is a deficient number, since it is larger than the sum of its proper divisors (1).

68762641 is an equidigital number, since it uses as much as digits as its factorization.

68762641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 68762641 is about 8292.3242218331. The cubic root of 68762641 is about 409.6857417378.

The spelling of 68762641 in words is "sixty-eight million, seven hundred sixty-two thousand, six hundred forty-one".