67264393 has 8 divisors (see below), whose sum is σ = 81395712. Its totient is φ = 54263616.

The previous prime is 67264391. The next prime is 67264403. The reversal of 67264393 is 39346276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67264393 - 2¹ = 67264391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67264391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282505 + ... + 282742.

It is an arithmetic number, because the mean of its divisors is an integer number (10174464).

Almost surely, 2^67264393 is an apocalyptic number.

It is an amenable number.

67264393 is a deficient number, since it is larger than the sum of its proper divisors (14131319).

67264393 is a wasteful number, since it uses less digits than its factorization.

67264393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565271.

The product of its digits is 163296, while the sum is 40.

The square root of 67264393 is about 8201.4872431773. The cubic root of 67264393 is about 406.6883600211.

The spelling of 67264393 in words is "sixty-seven million, two hundred sixty-four thousand, three hundred ninety-three".