67089937 has 4 divisors (see below), whose sum is σ = 67106340. Its totient is φ = 67073536.

The previous prime is 67089907. The next prime is 67089943. The reversal of 67089937 is 73998076.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45037521 + 22052416 = 6711^2 + 4696^2 .

It is a cyclic number.

It is not a de Polignac number, because 67089937 - 2⁷ = 67089809 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67089907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3489 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (16776585).

It is a vampire number, since it can be written as 7793 ⋅ 8609 (with its own digits).

Almost surely, 2^67089937 is an apocalyptic number.

It is an amenable number.

67089937 is a deficient number, since it is larger than the sum of its proper divisors (16403).

67089937 is an equidigital number, since it uses as much as digits as its factorization.

67089937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16402.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 67089937 is about 8190.8447061338. The cubic root of 67089937 is about 406.3364618496.

The spelling of 67089937 in words is "sixty-seven million, eighty-nine thousand, nine hundred thirty-seven".