67804733 has 4 divisors (see below), whose sum is σ = 68916348. Its totient is φ = 66693120.

The previous prime is 67804729. The next prime is 67804741. The reversal of 67804733 is 33740876.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 597529 + 67207204 = 773^2 + 8198^2 .

It is a cyclic number.

It is not a de Polignac number, because 67804733 - 2² = 67804729 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 (67804703) 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 3 ways as a sum of consecutive naturals, for example, 555716 + ... + 555837.

It is an arithmetic number, because the mean of its divisors is an integer number (17229087).

Almost surely, 2^67804733 is an apocalyptic number.

It is an amenable number.

67804733 is a deficient number, since it is larger than the sum of its proper divisors (1111615).

67804733 is a wasteful number, since it uses less digits than its factorization.

67804733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111614.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 67804733 is about 8234.3629383213. The cubic root of 67804733 is about 407.7744432018.

The spelling of 67804733 in words is "sixty-seven million, eight hundred four thousand, seven hundred thirty-three".