67256373 has 4 divisors (see below), whose sum is σ = 89675168. Its totient is φ = 44837580.

The previous prime is 67256351. The next prime is 67256407. The reversal of 67256373 is 37365276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67256373 - 2⁹ = 67255861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67256323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11209393 + ... + 11209398.

It is an arithmetic number, because the mean of its divisors is an integer number (22418792).

Almost surely, 2^67256373 is an apocalyptic number.

It is an amenable number.

67256373 is a deficient number, since it is larger than the sum of its proper divisors (22418795).

67256373 is a wasteful number, since it uses less digits than its factorization.

67256373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22418794.

The product of its digits is 158760, while the sum is 39.

The square root of 67256373 is about 8200.9982928909. The cubic root of 67256373 is about 406.6721960937.

The spelling of 67256373 in words is "sixty-seven million, two hundred fifty-six thousand, three hundred seventy-three".