67061293 has 8 divisors (see below), whose sum is σ = 72387000. Its totient is φ = 61759488.

The previous prime is 67061263. The next prime is 67061299. The reversal of 67061293 is 39216076.

It can be written as a sum of positive squares in 4 ways, for example, as 769129 + 66292164 = 877^2 + 8142^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67061293 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 (67061299) 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 7 ways as a sum of consecutive naturals, for example, 93 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (9048375).

Almost surely, 2^67061293 is an apocalyptic number.

It is an amenable number.

67061293 is a deficient number, since it is larger than the sum of its proper divisors (5325707).

67061293 is a wasteful number, since it uses less digits than its factorization.

67061293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11951.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 67061293 is about 8189.0959818529. The cubic root of 67061293 is about 406.2786252650.

The spelling of 67061293 in words is "sixty-seven million, sixty-one thousand, two hundred ninety-three".