67722093 has 6 divisors (see below), whose sum is σ = 97820814. Its totient is φ = 45148056.

The previous prime is 67722077. The next prime is 67722121. The reversal of 67722093 is 39022776.

It can be written as a sum of positive squares in only one way, i.e., 36216324 + 31505769 = 6018^2 + 5613^2 .

It is not a de Polignac number, because 67722093 - 2⁴ = 67722077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67722013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3762330 + ... + 3762347.

It is an arithmetic number, because the mean of its divisors is an integer number (16303469).

Almost surely, 2^67722093 is an apocalyptic number.

It is an amenable number.

67722093 is a deficient number, since it is larger than the sum of its proper divisors (30098721).

67722093 is a wasteful number, since it uses less digits than its factorization.

67722093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524683 (or 7524680 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 67722093 is about 8229.3434124479. The cubic root of 67722093 is about 407.6087115078.

The spelling of 67722093 in words is "sixty-seven million, seven hundred twenty-two thousand, ninety-three".