68280473 has 2 divisors, whose sum is σ = 68280474. Its totient is φ = 68280472.

The previous prime is 68280467. The next prime is 68280479. The reversal of 68280473 is 37408286.

It is a balanced prime because it is at equal distance from previous prime (68280467) and next prime (68280479).

It can be written as a sum of positive squares in only one way, i.e., 61889689 + 6390784 = 7867^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 68280473 - 2⁸ = 68280217 is a prime.

It is not a weakly prime, because it can be changed into another prime (68280479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34140236 + 34140237.

It is an arithmetic number, because the mean of its divisors is an integer number (34140237).

Almost surely, 2^68280473 is an apocalyptic number.

It is an amenable number.

68280473 is a deficient number, since it is larger than the sum of its proper divisors (1).

68280473 is an equidigital number, since it uses as much as digits as its factorization.

68280473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 68280473 is about 8263.1999249685. The cubic root of 68280473 is about 408.7259139701.

The spelling of 68280473 in words is "sixty-eight million, two hundred eighty thousand, four hundred seventy-three".