68492071 has 2 divisors, whose sum is σ = 68492072. Its totient is φ = 68492070.

The previous prime is 68492057. The next prime is 68492087. The reversal of 68492071 is 17029486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68492071 - 2⁹ = 68491559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68492071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68492041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34246035 + 34246036.

It is an arithmetic number, because the mean of its divisors is an integer number (34246036).

Almost surely, 2^68492071 is an apocalyptic number.

68492071 is a deficient number, since it is larger than the sum of its proper divisors (1).

68492071 is an equidigital number, since it uses as much as digits as its factorization.

68492071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 68492071 is about 8275.9936563533. The cubic root of 68492071 is about 409.1476860980.

The spelling of 68492071 in words is "sixty-eight million, four hundred ninety-two thousand, seventy-one".