67828973 has 2 divisors, whose sum is σ = 67828974. Its totient is φ = 67828972.

The previous prime is 67828949. The next prime is 67829033. The reversal of 67828973 is 37982876.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46280809 + 21548164 = 6803^2 + 4642^2 .

It is a cyclic number.

It is not a de Polignac number, because 67828973 - 2²⁴ = 51051757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67828903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33914486 + 33914487.

It is an arithmetic number, because the mean of its divisors is an integer number (33914487).

Almost surely, 2^67828973 is an apocalyptic number.

It is an amenable number.

67828973 is a deficient number, since it is larger than the sum of its proper divisors (1).

67828973 is an equidigital number, since it uses as much as digits as its factorization.

67828973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 67828973 is about 8235.8346875104. The cubic root of 67828973 is about 407.8230301485.

The spelling of 67828973 in words is "sixty-seven million, eight hundred twenty-eight thousand, nine hundred seventy-three".