68036477 has 2 divisors, whose sum is σ = 68036478. Its totient is φ = 68036476.

The previous prime is 68036443. The next prime is 68036513. The reversal of 68036477 is 77463086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34175716 + 33860761 = 5846^2 + 5819^2 .

It is a cyclic number.

It is not a de Polignac number, because 68036477 - 2¹⁰ = 68035453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68036977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34018238 + 34018239.

It is an arithmetic number, because the mean of its divisors is an integer number (34018239).

Almost surely, 2^68036477 is an apocalyptic number.

It is an amenable number.

68036477 is a deficient number, since it is larger than the sum of its proper divisors (1).

68036477 is an equidigital number, since it uses as much as digits as its factorization.

68036477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 68036477 is about 8248.4226977041. The cubic root of 68036477 is about 408.2384807402.

The spelling of 68036477 in words is "sixty-eight million, thirty-six thousand, four hundred seventy-seven".