67406413 has 8 divisors (see below), whose sum is σ = 70443648. Its totient is φ = 64436064.

The previous prime is 67406389. The next prime is 67406441. The reversal of 67406413 is 31460476.

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 67406413 - 2²¹ = 65309261 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 (67406453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14656 + ... + 18697.

It is an arithmetic number, because the mean of its divisors is an integer number (8805456).

Almost surely, 2^67406413 is an apocalyptic number.

It is an amenable number.

67406413 is a deficient number, since it is larger than the sum of its proper divisors (3037235).

67406413 is a wasteful number, since it uses less digits than its factorization.

67406413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33443.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 67406413 is about 8210.1408635906. The cubic root of 67406413 is about 406.9743819737.

Adding to 67406413 its reverse (31460476), we get a palindrome (98866889).

The spelling of 67406413 in words is "sixty-seven million, four hundred six thousand, four hundred thirteen".