67657413 has 8 divisors (see below), whose sum is σ = 90664000. Its totient is φ = 44877888.

The previous prime is 67657411. The next prime is 67657427. The reversal of 67657413 is 31475676.

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

It is not a de Polignac number, because 67657413 - 2¹ = 67657411 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 (67657411) 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, 56068 + ... + 57261.

It is an arithmetic number, because the mean of its divisors is an integer number (11333000).

Almost surely, 2^67657413 is an apocalyptic number.

It is an amenable number.

67657413 is a deficient number, since it is larger than the sum of its proper divisors (23006587).

67657413 is a wasteful number, since it uses less digits than its factorization.

67657413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113531.

The product of its digits is 105840, while the sum is 39.

The square root of 67657413 is about 8225.4126340263. The cubic root of 67657413 is about 407.4789038974.

The spelling of 67657413 in words is "sixty-seven million, six hundred fifty-seven thousand, four hundred thirteen".